diff --git a/apps/studio/components/interfaces/BranchManagement/Branch.Commands.tsx b/apps/studio/components/interfaces/BranchManagement/Branch.Commands.tsx
index 40a6f0b94c..6980de4792 100644
--- a/apps/studio/components/interfaces/BranchManagement/Branch.Commands.tsx
+++ b/apps/studio/components/interfaces/BranchManagement/Branch.Commands.tsx
@@ -17,7 +17,7 @@ export function useBranchCommands() {
 
   let { data: branches } = useBranchesQuery(
     {
-      projectRef: selectedProject?.parentRef,
+      projectRef: selectedProject?.parent_project_ref || selectedProject?.ref,
     },
     { enabled: isBranchingEnabled }
   )
diff --git a/apps/studio/components/interfaces/BranchManagement/BranchPanels.tsx b/apps/studio/components/interfaces/BranchManagement/BranchPanels.tsx
index d6ccd43797..12d6633969 100644
--- a/apps/studio/components/interfaces/BranchManagement/BranchPanels.tsx
+++ b/apps/studio/components/interfaces/BranchManagement/BranchPanels.tsx
@@ -189,7 +189,7 @@ export const BranchRow = ({
             },
           }}
         >
-          <Link href={`/project/${branch.project_ref}/branches`} title={branch.name}>
+          <Link href={`/project/${branch.project_ref}`} title={branch.name}>
             {branch.name}
           </Link>
         </ButtonTooltip>
diff --git a/apps/studio/components/interfaces/BranchManagement/DatabaseDiffPanel.tsx b/apps/studio/components/interfaces/BranchManagement/DatabaseDiffPanel.tsx
new file mode 100644
index 0000000000..9a04a071d0
--- /dev/null
+++ b/apps/studio/components/interfaces/BranchManagement/DatabaseDiffPanel.tsx
@@ -0,0 +1,66 @@
+import Link from 'next/link'
+import { CircleAlert, Database, Wind } from 'lucide-react'
+import { Card, CardContent, CardHeader, CardTitle, Skeleton } from 'ui'
+
+import DiffViewer from 'components/ui/DiffViewer'
+
+interface DatabaseDiffPanelProps {
+  diffContent?: string
+  isLoading: boolean
+  error?: any
+  showRefreshButton?: boolean
+  currentBranchRef?: string
+}
+
+const DatabaseDiffPanel = ({
+  diffContent,
+  isLoading,
+  error,
+  currentBranchRef,
+}: DatabaseDiffPanelProps) => {
+  if (isLoading) return <Skeleton className="h-64" />
+
+  if (error)
+    return (
+      <div className="p-6 text-center">
+        <CircleAlert size={32} strokeWidth={1.5} className="text-foreground-muted mx-auto mb-8" />
+        <h3 className="mb-1">Error loading branch diff</h3>
+        <p className="text-sm text-foreground-light">
+          Please try again in a few minutes and contact support if the problem persists.
+        </p>
+      </div>
+    )
+
+  if (!diffContent || diffContent.trim() === '') {
+    return (
+      <div className="p-6 text-center">
+        <Wind size={32} strokeWidth={1.5} className="text-foreground-muted mx-auto mb-8" />
+        <h3 className="mb-1">No changes detected between branches</h3>
+        <p className="text-sm text-foreground-light">
+          Any changes to your database schema will be shown here for review
+        </p>
+      </div>
+    )
+  }
+
+  return (
+    <Card>
+      <CardHeader>
+        <CardTitle>
+          <Link
+            href={`/project/${currentBranchRef}/database/schema`}
+            className="text-foreground-light flex items-center gap-2"
+          >
+            <Database strokeWidth={1.5} size={16} />
+            Schema Changes
+          </Link>
+        </CardTitle>
+      </CardHeader>
+      <CardContent className="p-0 h-96">
+        <DiffViewer language="sql" original="" modified={diffContent} />
+      </CardContent>
+    </Card>
+  )
+}
+
+export default DatabaseDiffPanel
diff --git a/apps/studio/components/interfaces/BranchManagement/EdgeFunctionsDiffPanel.tsx b/apps/studio/components/interfaces/BranchManagement/EdgeFunctionsDiffPanel.tsx
new file mode 100644
index 0000000000..8a65e3c9ca
--- /dev/null
+++ b/apps/studio/components/interfaces/BranchManagement/EdgeFunctionsDiffPanel.tsx
@@ -0,0 +1,217 @@
+import { Code, Wind } from 'lucide-react'
+import Link from 'next/link'
+import { useEffect, useMemo, useState } from 'react'
+
+import DiffViewer from 'components/ui/DiffViewer'
+import type { EdgeFunctionBodyData } from 'data/edge-functions/edge-function-body-query'
+import type {
+  EdgeFunctionsDiffResult,
+  FileInfo,
+  FileStatus,
+} from 'hooks/branches/useEdgeFunctionsDiff'
+import { EMPTY_ARR } from 'lib/void'
+import { basename } from 'path'
+import { Card, CardContent, CardHeader, CardTitle, cn, Skeleton } from 'ui'
+
+interface EdgeFunctionsDiffPanelProps {
+  diffResults: EdgeFunctionsDiffResult
+  currentBranchRef?: string
+  mainBranchRef?: string
+}
+
+interface FunctionDiffProps {
+  functionSlug: string
+  currentBody: EdgeFunctionBodyData
+  mainBody: EdgeFunctionBodyData
+  currentBranchRef?: string
+  fileInfos: FileInfo[]
+}
+
+// Helper to canonicalize file identifiers to prevent mismatch due to differing root paths
+const fileKey = (fullPath: string) => basename(fullPath)
+
+// Helper to get the status color for file indicators
+const getStatusColor = (status: FileStatus): string => {
+  switch (status) {
+    case 'added':
+      return 'bg-brand'
+    case 'removed':
+      return 'bg-destructive'
+    case 'modified':
+      return 'bg-warning'
+    case 'unchanged':
+      return 'bg-muted'
+    default:
+      return 'bg-muted'
+  }
+}
+
+const FunctionDiff = ({
+  functionSlug,
+  currentBody,
+  mainBody,
+  currentBranchRef,
+  fileInfos,
+}: FunctionDiffProps) => {
+  // Get all file keys from fileInfos
+  const allFileKeys = useMemo(() => fileInfos.map((info) => info.key), [fileInfos])
+
+  const [activeFileKey, setActiveFileKey] = useState<string | undefined>(() => allFileKeys[0])
+
+  // Keep active tab in sync when allFileKeys changes (e.g. data fetch completes)
+  useEffect(() => {
+    if (!activeFileKey || !allFileKeys.includes(activeFileKey)) {
+      setActiveFileKey(allFileKeys[0])
+    }
+  }, [allFileKeys, activeFileKey])
+
+  const currentFile = currentBody.find((f) => fileKey(f.name) === activeFileKey)
+  const mainFile = mainBody.find((f) => fileKey(f.name) === activeFileKey)
+
+  const language = useMemo(() => {
+    if (!activeFileKey) return 'plaintext'
+    if (activeFileKey.endsWith('.ts') || activeFileKey.endsWith('.tsx')) return 'typescript'
+    if (activeFileKey.endsWith('.js') || activeFileKey.endsWith('.jsx')) return 'javascript'
+    if (activeFileKey.endsWith('.json')) return 'json'
+    if (activeFileKey.endsWith('.sql')) return 'sql'
+    return 'plaintext'
+  }, [activeFileKey])
+
+  if (allFileKeys.length === 0) return null
+
+  return (
+    <Card>
+      <CardHeader className="space-y-0 px-4">
+        {/* Function title */}
+        <CardTitle>
+          <Link
+            href={`/project/${currentBranchRef}/functions/${functionSlug}`}
+            className="flex items-center gap-2"
+          >
+            <Code strokeWidth={1.5} size={16} className="text-foreground-light" />
+            {functionSlug}
+          </Link>
+        </CardTitle>
+
+        {/* File list sidebar will be shown instead of top tabs */}
+      </CardHeader>
+      <CardContent className="p-0 h-96">
+        <div className="flex h-full min-h-0">
+          {/* Sidebar file list */}
+          <div className="w-48 border-r bg-surface-200 flex flex-col overflow-y-auto">
+            <ul className="divide-y divide-border">
+              {fileInfos.map((fileInfo) => (
+                <li key={fileInfo.key} className="flex">
+                  <button
+                    type="button"
+                    onClick={() => setActiveFileKey(fileInfo.key)}
+                    className={cn(
+                      'flex-1 text-left text-xs px-4 py-2 flex items-center gap-2',
+                      activeFileKey === fileInfo.key
+                        ? 'bg-surface-300 text-foreground'
+                        : 'text-foreground-light hover:bg-surface-300'
+                    )}
+                  >
+                    <div
+                      className={cn(
+                        'w-1 h-1 rounded-full flex-shrink-0',
+                        getStatusColor(fileInfo.status)
+                      )}
+                    />
+                    <span className="truncate">{fileInfo.key}</span>
+                  </button>
+                </li>
+              ))}
+            </ul>
+          </div>
+
+          {/* Diff viewer */}
+          <div className="flex-1 min-h-0">
+            <DiffViewer
+              language={language}
+              original={mainFile?.content || ''}
+              modified={currentFile?.content || ''}
+            />
+          </div>
+        </div>
+      </CardContent>
+    </Card>
+  )
+}
+
+const EdgeFunctionsDiffPanel = ({
+  diffResults,
+  currentBranchRef,
+  mainBranchRef,
+}: EdgeFunctionsDiffPanelProps) => {
+  if (diffResults.isLoading) {
+    return <Skeleton className="h-64" />
+  }
+
+  if (!diffResults.hasChanges) {
+    return (
+      <div className="p-6 text-center">
+        <Wind size={32} strokeWidth={1.5} className="text-foreground-muted mx-auto mb-8" />
+        <h3 className="mb-1">No changes detected between branches</h3>
+        <p className="text-sm text-foreground-light">
+          Any changes to your edge functions will be shown here for review
+        </p>
+      </div>
+    )
+  }
+
+  return (
+    <div className="space-y-6">
+      {diffResults.addedSlugs.length > 0 && (
+        <div>
+          <div className="space-y-4">
+            {diffResults.addedSlugs.map((slug) => (
+              <FunctionDiff
+                key={slug}
+                functionSlug={slug}
+                currentBody={diffResults.addedBodiesMap[slug]!}
+                mainBody={EMPTY_ARR}
+                currentBranchRef={currentBranchRef}
+                fileInfos={diffResults.functionFileInfo[slug] || EMPTY_ARR}
+              />
+            ))}
+          </div>
+        </div>
+      )}
+
+      {diffResults.removedSlugs.length > 0 && (
+        <div>
+          <div className="space-y-4">
+            {diffResults.removedSlugs.map((slug) => (
+              <FunctionDiff
+                key={slug}
+                functionSlug={slug}
+                currentBody={EMPTY_ARR}
+                mainBody={diffResults.removedBodiesMap[slug]!}
+                currentBranchRef={mainBranchRef}
+                fileInfos={diffResults.functionFileInfo[slug] || EMPTY_ARR}
+              />
+            ))}
+          </div>
+        </div>
+      )}
+
+      {diffResults.modifiedSlugs.length > 0 && (
+        <div className="space-y-4">
+          {diffResults.modifiedSlugs.map((slug) => (
+            <FunctionDiff
+              key={slug}
+              functionSlug={slug}
+              currentBody={diffResults.currentBodiesMap[slug]!}
+              mainBody={diffResults.mainBodiesMap[slug]!}
+              currentBranchRef={currentBranchRef}
+              fileInfos={diffResults.functionFileInfo[slug] || EMPTY_ARR}
+            />
+          ))}
+        </div>
+      )}
+    </div>
+  )
+}
+
+export default EdgeFunctionsDiffPanel
diff --git a/apps/studio/components/interfaces/BranchManagement/OutOfDateNotice.tsx b/apps/studio/components/interfaces/BranchManagement/OutOfDateNotice.tsx
new file mode 100644
index 0000000000..73444da1e9
--- /dev/null
+++ b/apps/studio/components/interfaces/BranchManagement/OutOfDateNotice.tsx
@@ -0,0 +1,119 @@
+import { useState } from 'react'
+import { Button } from 'ui'
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+  AlertDialogTrigger,
+} from 'ui'
+import { GitBranchIcon } from 'lucide-react'
+import { Admonition } from 'ui-patterns'
+
+interface OutOfDateNoticeProps {
+  isBranchOutOfDateMigrations: boolean
+  missingMigrationsCount: number
+  hasMissingFunctions: boolean
+  missingFunctionsCount: number
+  hasOutOfDateFunctions: boolean
+  outOfDateFunctionsCount: number
+  hasEdgeFunctionModifications: boolean
+  modifiedFunctionsCount: number
+  isPushing: boolean
+  onPush: () => void
+}
+
+export const OutOfDateNotice = ({
+  isBranchOutOfDateMigrations,
+  missingMigrationsCount,
+  hasMissingFunctions,
+  missingFunctionsCount,
+  hasOutOfDateFunctions,
+  outOfDateFunctionsCount,
+  hasEdgeFunctionModifications,
+  modifiedFunctionsCount,
+  isPushing,
+  onPush,
+}: OutOfDateNoticeProps) => {
+  const [isDialogOpen, setIsDialogOpen] = useState(false)
+  const hasOutdatedMigrations = isBranchOutOfDateMigrations && missingMigrationsCount > 0
+
+  const getTitle = () => {
+    if (hasOutdatedMigrations && (hasMissingFunctions || hasOutOfDateFunctions)) {
+      return 'Your database schema and edge functions are out of date'
+    } else if (hasOutdatedMigrations) {
+      return 'Your database schema is out of date'
+    } else if (hasMissingFunctions || hasOutOfDateFunctions) {
+      return 'Your functions are out of date'
+    }
+    return 'Branch is out of date'
+  }
+
+  const getDescription = () => {
+    return 'Update this branch to get the latest changes from the production branch.'
+  }
+
+  const handleUpdateClick = () => {
+    onPush()
+  }
+
+  const handleConfirmUpdate = () => {
+    setIsDialogOpen(false)
+    onPush()
+  }
+
+  return (
+    <Admonition type="warning" className="my-4">
+      <div className="w-full flex items-center justify-between">
+        <div>
+          <h3 className="text-sm font-medium">{getTitle()}</h3>
+          <p className="text-sm text-foreground-light">{getDescription()}</p>
+        </div>
+
+        {hasEdgeFunctionModifications ? (
+          <AlertDialog open={isDialogOpen} onOpenChange={setIsDialogOpen}>
+            <AlertDialogTrigger asChild>
+              <Button
+                type="default"
+                loading={isPushing}
+                icon={<GitBranchIcon size={16} strokeWidth={1.5} />}
+                className="shrink-0"
+              >
+                {isPushing ? 'Updating...' : 'Update branch'}
+              </Button>
+            </AlertDialogTrigger>
+            <AlertDialogContent>
+              <AlertDialogHeader>
+                <AlertDialogTitle>Update branch with modified functions?</AlertDialogTitle>
+                <AlertDialogDescription>
+                  This branch has {modifiedFunctionsCount} modified edge function
+                  {modifiedFunctionsCount !== 1 ? 's' : ''} that will be overwritten when updating
+                  with the latest functions from the production branch. This action cannot be
+                  undone.
+                </AlertDialogDescription>
+              </AlertDialogHeader>
+              <AlertDialogFooter>
+                <AlertDialogCancel>Cancel</AlertDialogCancel>
+                <AlertDialogAction onClick={handleConfirmUpdate}>Update anyway</AlertDialogAction>
+              </AlertDialogFooter>
+            </AlertDialogContent>
+          </AlertDialog>
+        ) : (
+          <Button
+            type="default"
+            loading={isPushing}
+            onClick={handleUpdateClick}
+            icon={<GitBranchIcon size={16} strokeWidth={1.5} />}
+            className="shrink-0"
+          >
+            {isPushing ? 'Updating...' : 'Update branch'}
+          </Button>
+        )}
+      </div>
+    </Admonition>
+  )
+}
diff --git a/apps/studio/components/interfaces/BranchManagement/WorkflowLogsCard.tsx b/apps/studio/components/interfaces/BranchManagement/WorkflowLogsCard.tsx
new file mode 100644
index 0000000000..a3b02ffdfe
--- /dev/null
+++ b/apps/studio/components/interfaces/BranchManagement/WorkflowLogsCard.tsx
@@ -0,0 +1,127 @@
+import { motion } from 'framer-motion'
+import { CircleDotDashed, GitMerge, X } from 'lucide-react'
+import { useEffect, useRef } from 'react'
+
+import { Button, Card, CardContent, CardHeader, CardTitle } from 'ui'
+
+interface WorkflowRun {
+  id: string
+  status: string
+  branch_id?: string
+  check_run_id?: number | null
+  created_at?: string
+  updated_at?: string
+  workdir?: string | null
+  git_config?: unknown
+}
+
+interface WorkflowLogsCardProps {
+  workflowRun: WorkflowRun | null | undefined
+  logs: string | undefined
+  isLoading?: boolean
+  onClose?: () => void
+  // Override props for failed workflows
+  overrideTitle?: string
+  overrideDescription?: string
+  overrideIcon?: React.ReactNode
+  overrideAction?: React.ReactNode
+}
+
+const WorkflowLogsCard = ({
+  workflowRun,
+  logs,
+  isLoading = false,
+  onClose,
+  overrideTitle,
+  overrideDescription,
+  overrideIcon,
+  overrideAction,
+}: WorkflowLogsCardProps) => {
+  const scrollRef = useRef<HTMLDivElement>(null)
+
+  // Auto-scroll to bottom when logs change
+  useEffect(() => {
+    if (scrollRef.current && logs) {
+      scrollRef.current.scrollTop = scrollRef.current.scrollHeight
+    }
+  }, [logs])
+
+  const showSuccessIcon = workflowRun?.status === 'FUNCTIONS_DEPLOYED'
+  const isFailed =
+    workflowRun?.status && ['MIGRATIONS_FAILED', 'FUNCTIONS_FAILED'].includes(workflowRun.status)
+  const isPolling =
+    workflowRun?.status !== 'FUNCTIONS_DEPLOYED' &&
+    (!workflowRun?.status ||
+      !['MIGRATIONS_FAILED', 'FUNCTIONS_FAILED'].includes(workflowRun.status))
+
+  const displayTitle =
+    overrideTitle ||
+    (isPolling
+      ? 'Processing...'
+      : showSuccessIcon
+        ? 'Workflow completed successfully'
+        : isFailed
+          ? 'Workflow failed'
+          : 'Workflow completed')
+
+  const displayIcon =
+    overrideIcon ||
+    (isPolling ? (
+      <motion.div
+        animate={{ rotate: 360 }}
+        transition={{ duration: 2, repeat: Infinity, ease: 'linear' }}
+      >
+        <CircleDotDashed size={16} strokeWidth={1.5} className="text-warning" />
+      </motion.div>
+    ) : showSuccessIcon ? (
+      <GitMerge size={16} strokeWidth={1.5} className="text-brand" />
+    ) : null)
+
+  return (
+    <Card className="bg-background overflow-hidden h-64 flex flex-col">
+      <CardHeader className={showSuccessIcon ? 'text-brand' : isFailed ? 'text-destructive' : ''}>
+        <div className="flex items-center justify-between">
+          <div className="flex items-center gap-4">
+            {displayIcon}
+            <div>
+              <CardTitle className="text-sm font-medium">{displayTitle}</CardTitle>
+              {overrideDescription && (
+                <div className="text-sm text-foreground-light font-normal mt-0">
+                  {overrideDescription}
+                </div>
+              )}
+            </div>
+          </div>
+          <div className="flex items-center gap-4">
+            {overrideAction}
+            {onClose && (
+              <Button
+                type="text"
+                size="tiny"
+                icon={<X size={12} strokeWidth={1.5} />}
+                onClick={onClose}
+                className="h-5 w-5 p-0"
+              />
+            )}
+          </div>
+        </div>
+      </CardHeader>
+      <CardContent
+        ref={scrollRef}
+        className="overflow-hidden border-0 overflow-y-auto relative p-0"
+      >
+        {/* sticky gradient overlay */}
+        <div className="sticky top-0 -mb-8 h-8 bg-gradient-to-b from-background to-transparent pointer-events-none z-10" />
+        {logs ? (
+          <pre className="p-6 text-xs text-foreground-light p-0 rounded">{logs}</pre>
+        ) : (
+          <pre className="p-6 text-sm text-foreground-light rounded">
+            {isLoading || isPolling ? 'Initializing workflow...' : 'Waiting for logs...'}
+          </pre>
+        )}
+      </CardContent>
+    </Card>
+  )
+}
+
+export default WorkflowLogsCard
diff --git a/apps/studio/components/interfaces/Organization/IntegrationSettings/SidePanelGitHubRepoLinker.tsx b/apps/studio/components/interfaces/Organization/IntegrationSettings/SidePanelGitHubRepoLinker.tsx
index 609931bd89..36272d090a 100644
--- a/apps/studio/components/interfaces/Organization/IntegrationSettings/SidePanelGitHubRepoLinker.tsx
+++ b/apps/studio/components/interfaces/Organization/IntegrationSettings/SidePanelGitHubRepoLinker.tsx
@@ -108,7 +108,7 @@ const SidePanelGitHubRepoLinker = ({ projectRef }: SidePanelGitHubRepoLinkerProp
   )
 
   const { data: existingBranches } = useBranchesQuery(
-    { projectRef: selectedProject?.ref },
+    { projectRef: selectedProject?.parent_project_ref || selectedProject?.ref },
     { enabled: !!selectedProject?.ref }
   )
 
diff --git a/apps/studio/components/layouts/AppLayout/BranchDropdown.tsx b/apps/studio/components/layouts/AppLayout/BranchDropdown.tsx
index 2021f3df78..b8e7d49c26 100644
--- a/apps/studio/components/layouts/AppLayout/BranchDropdown.tsx
+++ b/apps/studio/components/layouts/AppLayout/BranchDropdown.tsx
@@ -2,7 +2,7 @@ import {
   AlertCircle,
   Check,
   ChevronsUpDown,
-  GitBranch,
+  GitMerge,
   ListTree,
   MessageCircle,
   Plus,
@@ -34,6 +34,7 @@ import {
   cn,
 } from 'ui'
 import { sanitizeRoute } from './ProjectDropdown'
+import { useFlag } from 'hooks/ui/useFlag'
 
 const BranchLink = ({
   branch,
@@ -75,13 +76,18 @@ const BranchLink = ({
 export const BranchDropdown = () => {
   const router = useRouter()
   const { ref } = useParams()
+  const gitlessBranching = useFlag('gitlessBranching')
   const projectDetails = useSelectedProject()
   const snap = useAppStateSnapshot()
 
-  const isBranch = projectDetails?.parent_project_ref !== undefined
-  const projectRef =
-    projectDetails !== undefined ? (isBranch ? projectDetails.parent_project_ref : ref) : undefined
-  const { data: branches, isLoading, isError, isSuccess } = useBranchesQuery({ projectRef })
+  const projectRef = projectDetails?.parent_project_ref || ref
+
+  const {
+    data: branches,
+    isLoading,
+    isError,
+    isSuccess,
+  } = useBranchesQuery({ projectRef }, { enabled: Boolean(projectDetails) })
 
   const isBranchingEnabled = projectDetails?.is_branch_enabled === true
   const selectedBranch = branches?.find((branch) => branch.project_ref === ref)
@@ -153,6 +159,26 @@ export const BranchDropdown = () => {
               <p>Create branch</p>
             </div>
           </CommandItem_Shadcn_>
+          {gitlessBranching &&
+            isBranchingEnabled &&
+            selectedBranch &&
+            !selectedBranch.is_default && (
+              <>
+                <CommandItem_Shadcn_
+                  className="cursor-pointer w-full"
+                  onSelect={() => {
+                    setOpen(false)
+                    router.push(`/project/${ref}/merge`)
+                  }}
+                  onClick={() => setOpen(false)}
+                >
+                  <Link href={`/project/${ref}/merge`} className="w-full flex items-center gap-2">
+                    <GitMerge size={14} strokeWidth={1.5} />
+                    Review changes
+                  </Link>
+                </CommandItem_Shadcn_>
+              </>
+            )}
           <CommandItem_Shadcn_
             className="cursor-pointer w-full"
             onSelect={() => {
diff --git a/apps/studio/components/layouts/PageLayout/PageHeader.tsx b/apps/studio/components/layouts/PageLayout/PageHeader.tsx
index f32b096688..98e3fef0f7 100644
--- a/apps/studio/components/layouts/PageLayout/PageHeader.tsx
+++ b/apps/studio/components/layouts/PageLayout/PageHeader.tsx
@@ -15,8 +15,8 @@ import {
 import { ScaffoldDescription, ScaffoldTitle } from '../Scaffold'
 
 interface PageHeaderProps {
-  title?: string
-  subtitle?: string
+  title?: string | ReactNode
+  subtitle?: string | ReactNode
   icon?: ReactNode
   breadcrumbs?: Array<{
     label?: string
diff --git a/apps/studio/components/layouts/PageLayout/PageLayout.tsx b/apps/studio/components/layouts/PageLayout/PageLayout.tsx
index a8bc30fa78..f725e915cb 100644
--- a/apps/studio/components/layouts/PageLayout/PageLayout.tsx
+++ b/apps/studio/components/layouts/PageLayout/PageLayout.tsx
@@ -14,11 +14,12 @@ export interface NavigationItem {
   icon?: ReactNode
   onClick?: () => void
   badge?: string
+  active?: boolean
 }
 
 interface PageLayoutProps {
   children?: ReactNode
-  title?: string
+  title?: string | ReactNode
   subtitle?: string
   icon?: ReactNode
   breadcrumbs?: Array<{
@@ -80,8 +81,8 @@ export const PageLayout = ({
         className={cn(
           'w-full mx-auto',
           size === 'full' &&
-            (isCompact ? 'max-w-none !px-6 border-b' : 'max-w-none p!x-8 border-b'),
-          isCompact ? 'pt-4' : 'pt-12',
+            (isCompact ? 'max-w-none !px-6 border-b pt-4' : 'max-w-none pt-6 border-b'),
+          size !== 'full' && (isCompact ? 'pt-4' : 'pt-12'),
           navigationItems.length === 0 && size === 'full' && (isCompact ? 'pb-4' : 'pb-8'),
           className
         )}
@@ -102,38 +103,42 @@ export const PageLayout = ({
         {/* Navigation section */}
         {navigationItems.length > 0 && (
           <NavMenu className={cn(isCompact ? 'mt-2' : 'mt-4', size === 'full' && 'border-none')}>
-            {navigationItems.map((item) => (
-              <NavMenuItem key={item.label} active={router.asPath.split('?')[0] === item.href}>
-                {item.href ? (
-                  <Link
-                    href={
-                      item.href.includes('[ref]') && !!ref
-                        ? item.href.replace('[ref]', ref)
-                        : item.href
-                    }
-                    className={cn(
-                      'inline-flex items-center gap-2',
-                      router.asPath === item.href && 'text-foreground'
-                    )}
-                    onClick={item.onClick}
-                  >
-                    {item.icon && <span>{item.icon}</span>}
-                    {item.label}
-                    {item.badge && <Badge variant="default">{item.badge}</Badge>}
-                  </Link>
-                ) : (
-                  <Button
-                    type="link"
-                    onClick={item.onClick}
-                    className={cn(router.pathname === item.href && 'text-foreground font-medium')}
-                  >
-                    {item.icon && <span className="mr-2">{item.icon}</span>}
-                    {item.label}
-                    {item.badge && <Badge variant="default">{item.badge}</Badge>}
-                  </Button>
-                )}
-              </NavMenuItem>
-            ))}
+            {navigationItems.map((item) => {
+              const isActive =
+                item.active !== undefined ? item.active : router.asPath.split('?')[0] === item.href
+              return (
+                <NavMenuItem key={item.label} active={isActive}>
+                  {item.href ? (
+                    <Link
+                      href={
+                        item.href.includes('[ref]') && !!ref
+                          ? item.href.replace('[ref]', ref)
+                          : item.href
+                      }
+                      className={cn(
+                        'inline-flex items-center gap-2',
+                        isActive && 'text-foreground'
+                      )}
+                      onClick={item.onClick}
+                    >
+                      {item.icon && <span>{item.icon}</span>}
+                      {item.label}
+                      {item.badge && <Badge variant="default">{item.badge}</Badge>}
+                    </Link>
+                  ) : (
+                    <Button
+                      type="link"
+                      onClick={item.onClick}
+                      className={cn(isActive && 'text-foreground font-medium')}
+                    >
+                      {item.icon && <span className="mr-2">{item.icon}</span>}
+                      {item.label}
+                      {item.badge && <Badge variant="default">{item.badge}</Badge>}
+                    </Button>
+                  )}
+                </NavMenuItem>
+              )
+            })}
           </NavMenu>
         )}
       </ScaffoldContainer>
diff --git a/apps/studio/components/ui/DiffViewer.tsx b/apps/studio/components/ui/DiffViewer.tsx
new file mode 100644
index 0000000000..ae70313de0
--- /dev/null
+++ b/apps/studio/components/ui/DiffViewer.tsx
@@ -0,0 +1,48 @@
+import { DiffEditor } from '@monaco-editor/react'
+import { editor as monacoEditor } from 'monaco-editor'
+
+interface DiffViewerProps {
+  /** Original/left hand side content (optional) */
+  original?: string
+  /** Modified/right hand side content */
+  modified: string | undefined
+  /** Language identifier understood by Monaco */
+  language: string
+  /** Height for the editor container */
+  height?: string | number
+  /** Whether to render diffs side-by-side */
+  sideBySide?: boolean
+}
+
+// Centralised set of options so all diff editors look the same
+const DEFAULT_OPTIONS: monacoEditor.IStandaloneDiffEditorConstructionOptions = {
+  readOnly: true,
+  renderSideBySide: false,
+  minimap: { enabled: false },
+  wordWrap: 'on',
+  lineNumbers: 'on',
+  folding: false,
+  padding: { top: 16, bottom: 16 },
+  lineNumbersMinChars: 3,
+  fontSize: 13,
+  scrollBeyondLastLine: false,
+}
+
+export const DiffViewer = ({
+  original = '',
+  modified = '',
+  language,
+  height = '100%',
+  sideBySide = false,
+}: DiffViewerProps) => (
+  <DiffEditor
+    theme="supabase"
+    language={language}
+    height={height}
+    original={original}
+    modified={modified}
+    options={{ ...DEFAULT_OPTIONS, renderSideBySide: sideBySide }}
+  />
+)
+
+export default DiffViewer
diff --git a/apps/studio/data/branches/branch-diff-query.ts b/apps/studio/data/branches/branch-diff-query.ts
new file mode 100644
index 0000000000..eba205e190
--- /dev/null
+++ b/apps/studio/data/branches/branch-diff-query.ts
@@ -0,0 +1,56 @@
+import { useQuery, UseQueryOptions } from '@tanstack/react-query'
+
+import { get, handleError } from 'data/fetchers'
+import type { ResponseError } from 'types'
+import { branchKeys } from './keys'
+
+export type BranchDiffVariables = {
+  branchId: string
+  projectRef: string
+  includedSchemas?: string
+}
+
+export async function getBranchDiff({
+  branchId,
+  includedSchemas,
+}: Pick<BranchDiffVariables, 'branchId' | 'includedSchemas'>) {
+  const { data: diffData, error } = await get('/v1/branches/{branch_id}/diff', {
+    params: {
+      path: { branch_id: branchId },
+      query: includedSchemas ? { included_schemas: includedSchemas } : undefined,
+    },
+    headers: {
+      Accept: 'text/plain',
+    },
+    parseAs: 'text',
+  })
+
+  if (error) {
+    handleError(error)
+  }
+
+  // Handle empty object responses (when no diff exists)
+  if (typeof diffData === 'object' && Object.keys(diffData).length === 0) {
+    return ''
+  }
+
+  return diffData || ''
+}
+
+type BranchDiffData = Awaited<ReturnType<typeof getBranchDiff>>
+
+export const useBranchDiffQuery = (
+  { branchId, projectRef, includedSchemas = 'public' }: BranchDiffVariables,
+  {
+    enabled = true,
+    ...options
+  }: Omit<UseQueryOptions<BranchDiffData, ResponseError>, 'queryKey' | 'queryFn'> = {}
+) =>
+  useQuery<BranchDiffData, ResponseError>(
+    branchKeys.diff(projectRef, branchId),
+    () => getBranchDiff({ branchId, includedSchemas }),
+    {
+      enabled: enabled && typeof branchId !== 'undefined' && branchId !== '',
+      ...options,
+    }
+  )
diff --git a/apps/studio/data/branches/branch-merge-mutation.ts b/apps/studio/data/branches/branch-merge-mutation.ts
new file mode 100644
index 0000000000..bceacc3822
--- /dev/null
+++ b/apps/studio/data/branches/branch-merge-mutation.ts
@@ -0,0 +1,92 @@
+import { useMutation, UseMutationOptions, useQueryClient } from '@tanstack/react-query'
+import { toast } from 'sonner'
+
+import { handleError, post } from 'data/fetchers'
+import type { ResponseError } from 'types'
+import { branchKeys } from './keys'
+import { getBranchDiff } from './branch-diff-query'
+import { upsertMigration } from '../database/migration-upsert-mutation'
+
+export type BranchMergeVariables = {
+  id: string
+  branchProjectRef: string
+  baseProjectRef: string
+  migration_version?: string
+}
+
+export async function mergeBranch({
+  id,
+  branchProjectRef,
+  baseProjectRef,
+  migration_version,
+}: BranchMergeVariables) {
+  // Step 1: Get the diff output from the branch
+  const diffContent = await getBranchDiff({ branchId: id, includedSchemas: 'public' })
+
+  let migrationCreated = false
+
+  // Step 2: If there are changes, create a migration before merging
+  if (diffContent && diffContent.trim() !== '') {
+    // Generate a descriptive migration name based on current timestamp
+    const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, -5)
+    const migrationName = `branch_merge_${timestamp}`
+
+    await upsertMigration({
+      projectRef: branchProjectRef,
+      query: diffContent,
+      name: migrationName,
+    })
+
+    migrationCreated = true
+  }
+
+  // Step 3: Call POST /v1/branches/id/merge to merge the branch
+  const { data, error } = await post('/v1/branches/{branch_id}/merge', {
+    params: { path: { branch_id: id } },
+    body: { migration_version },
+  })
+
+  if (error) {
+    handleError(error)
+  }
+
+  return {
+    data,
+    migrationCreated,
+    hadChanges: diffContent && diffContent.trim() !== '',
+    workflowRunId: data?.workflow_run_id,
+  }
+}
+
+type BranchMergeData = Awaited<ReturnType<typeof mergeBranch>>
+
+export const useBranchMergeMutation = ({
+  onSuccess,
+  onError,
+  ...options
+}: Omit<
+  UseMutationOptions<BranchMergeData, ResponseError, BranchMergeVariables>,
+  'mutationFn'
+> = {}) => {
+  const queryClient = useQueryClient()
+  return useMutation<BranchMergeData, ResponseError, BranchMergeVariables>(
+    (vars) => mergeBranch(vars),
+    {
+      async onSuccess(data, variables, context) {
+        const { baseProjectRef } = variables
+        await queryClient.invalidateQueries(branchKeys.list(baseProjectRef))
+        await onSuccess?.(data, variables, context)
+      },
+      async onError(data, variables, context) {
+        if (onError === undefined) {
+          let errorMessage = data.message || 'Unknown error occurred'
+
+          toast.error(`Failed to merge branch: ${errorMessage}`)
+        } else {
+          onError(data, variables, context)
+        }
+      },
+      ...options,
+    }
+  )
+}
diff --git a/apps/studio/data/branches/branch-push-mutation.ts b/apps/studio/data/branches/branch-push-mutation.ts
new file mode 100644
index 0000000000..035dbc2252
--- /dev/null
+++ b/apps/studio/data/branches/branch-push-mutation.ts
@@ -0,0 +1,52 @@
+import { useMutation, UseMutationOptions, useQueryClient } from '@tanstack/react-query'
+import { toast } from 'sonner'
+
+import { handleError, post } from 'data/fetchers'
+import type { ResponseError } from 'types'
+import { branchKeys } from './keys'
+
+export type BranchPushVariables = {
+  id: string
+  projectRef: string
+}
+
+export async function pushBranch({ id }: Pick<BranchPushVariables, 'id'>) {
+  const { data, error } = await post('/v1/branches/{branch_id}/push', {
+    params: { path: { branch_id: id } },
+    body: {},
+  })
+
+  if (error) handleError(error)
+  return data
+}
+
+type BranchPushData = Awaited<ReturnType<typeof pushBranch>>
+
+export const useBranchPushMutation = ({
+  onSuccess,
+  onError,
+  ...options
+}: Omit<
+  UseMutationOptions<BranchPushData, ResponseError, BranchPushVariables>,
+  'mutationFn'
+> = {}) => {
+  const queryClient = useQueryClient()
+  return useMutation<BranchPushData, ResponseError, BranchPushVariables>(
+    (vars) => pushBranch(vars),
+    {
+      async onSuccess(data, variables, context) {
+        const { projectRef } = variables
+        await queryClient.invalidateQueries(branchKeys.list(projectRef))
+        await onSuccess?.(data, variables, context)
+      },
+      async onError(data, variables, context) {
+        if (onError === undefined) {
+          toast.error(`Failed to push branch: ${data.message}`)
+        } else {
+          onError(data, variables, context)
+        }
+      },
+      ...options,
+    }
+  )
+}
diff --git a/apps/studio/data/branches/keys.ts b/apps/studio/data/branches/keys.ts
index 85ce513fd3..078b6cdb34 100644
--- a/apps/studio/data/branches/keys.ts
+++ b/apps/studio/data/branches/keys.ts
@@ -2,4 +2,6 @@ export const branchKeys = {
   list: (projectRef: string | undefined) => ['projects', projectRef, 'branches'] as const,
   detail: (projectRef: string | undefined, id: string | undefined) =>
     ['projects', projectRef, 'branches', id] as const,
+  diff: (projectRef: string | undefined, branchId: string | undefined) =>
+    ['projects', projectRef, 'branch', branchId, 'diff'] as const,
 }
diff --git a/apps/studio/data/database/migration-upsert-mutation.ts b/apps/studio/data/database/migration-upsert-mutation.ts
new file mode 100644
index 0000000000..2dea72dfef
--- /dev/null
+++ b/apps/studio/data/database/migration-upsert-mutation.ts
@@ -0,0 +1,70 @@
+import { useMutation, UseMutationOptions, useQueryClient } from '@tanstack/react-query'
+import { toast } from 'sonner'
+
+import { handleError, put } from 'data/fetchers'
+import type { ResponseError } from 'types'
+import { databaseKeys } from './keys'
+
+export type MigrationUpsertVariables = {
+  projectRef: string
+  query: string
+  name?: string
+  idempotencyKey?: string
+}
+
+export async function upsertMigration({
+  projectRef,
+  query,
+  name,
+  idempotencyKey,
+}: MigrationUpsertVariables) {
+  const headers: Record<string, string> = {}
+  if (idempotencyKey) {
+    headers['Idempotency-Key'] = idempotencyKey
+  }
+
+  const body: { query: string; name?: string } = { query }
+  if (name) {
+    body.name = name
+  }
+
+  const { data, error } = await put('/v1/projects/{ref}/database/migrations', {
+    params: { path: { ref: projectRef } },
+    body,
+    headers,
+  })
+
+  if (error) handleError(error)
+  return data
+}
+
+type MigrationUpsertData = Awaited<ReturnType<typeof upsertMigration>>
+
+export const useMigrationUpsertMutation = ({
+  onSuccess,
+  onError,
+  ...options
+}: Omit<
+  UseMutationOptions<MigrationUpsertData, ResponseError, MigrationUpsertVariables>,
+  'mutationFn'
+> = {}) => {
+  const queryClient = useQueryClient()
+  return useMutation<MigrationUpsertData, ResponseError, MigrationUpsertVariables>(
+    (vars) => upsertMigration(vars),
+    {
+      async onSuccess(data, variables, context) {
+        const { projectRef } = variables
+        await queryClient.invalidateQueries(databaseKeys.migrations(projectRef))
+        await onSuccess?.(data, variables, context)
+      },
+      async onError(data, variables, context) {
+        if (onError === undefined) {
+          toast.error(`Failed to upsert migration: ${data.message}`)
+        } else {
+          onError(data, variables, context)
+        }
+      },
+      ...options,
+    }
+  )
+}
diff --git a/apps/studio/data/edge-functions/edge-function-body-query.ts b/apps/studio/data/edge-functions/edge-function-body-query.ts
index af35720db6..d604b96395 100644
--- a/apps/studio/data/edge-functions/edge-function-body-query.ts
+++ b/apps/studio/data/edge-functions/edge-function-body-query.ts
@@ -54,10 +54,8 @@ export async function getEdgeFunctionBody(
     const { files } = await parseResponse.json()
     return files as EdgeFunctionFile[]
   } catch (error) {
-    console.error('Failed to parse edge function code:', error)
-    throw new Error(
-      'Failed to parse function code. The file may be corrupted or in an invalid format.'
-    )
+    handleError(error)
+    return []
   }
 }
 
diff --git a/apps/studio/data/workflow-runs/keys.ts b/apps/studio/data/workflow-runs/keys.ts
index dfb7939902..f2877fff87 100644
--- a/apps/studio/data/workflow-runs/keys.ts
+++ b/apps/studio/data/workflow-runs/keys.ts
@@ -1,3 +1,5 @@
 export const workflowRunKeys = {
   list: (projectRef: string | undefined) => ['projects', projectRef, 'workflow-runs'] as const,
+  detail: (projectRef: string | undefined, workflowRunId: string | undefined) =>
+    ['projects', projectRef, 'workflow-run', workflowRunId] as const,
 }
diff --git a/apps/studio/data/workflow-runs/workflow-run-query.ts b/apps/studio/data/workflow-runs/workflow-run-query.ts
new file mode 100644
index 0000000000..e2164d1ec0
--- /dev/null
+++ b/apps/studio/data/workflow-runs/workflow-run-query.ts
@@ -0,0 +1,52 @@
+import { useQuery, UseQueryOptions } from '@tanstack/react-query'
+
+import { get, handleError } from 'data/fetchers'
+import type { ResponseError } from 'types'
+import { workflowRunKeys } from './keys'
+
+export type WorkflowRunVariables = {
+  projectRef?: string
+  workflowRunId?: string
+}
+
+export async function getWorkflowRun(
+  { workflowRunId }: WorkflowRunVariables,
+  signal?: AbortSignal
+): Promise<{ logs: string; workflowRunId: string }> {
+  if (!workflowRunId) throw new Error('workflowRunId is required')
+
+  // Use the logs endpoint which fetches workflow run status
+  const { data, error } = await get('/platform/workflow-runs/{workflow_run_id}/logs', {
+    params: {
+      path: {
+        workflow_run_id: workflowRunId,
+      },
+    },
+    parseAs: 'text',
+    signal,
+  })
+
+  if (error) {
+    handleError(error)
+  }
+
+  // Return an object with the logs and we'll extract status from headers if needed
+  return { logs: data as string, workflowRunId }
+}
+
+export type WorkflowRunData = { logs: string; workflowRunId: string }
+export type WorkflowRunError = ResponseError
+
+export const useWorkflowRunQuery = <TData = WorkflowRunData>(
+  { projectRef, workflowRunId }: WorkflowRunVariables,
+  { enabled = true, ...options }: UseQueryOptions<WorkflowRunData, WorkflowRunError, TData> = {}
+) =>
+  useQuery<WorkflowRunData, WorkflowRunError, TData>(
+    workflowRunKeys.detail(projectRef, workflowRunId),
+    ({ signal }) => getWorkflowRun({ workflowRunId }, signal),
+    {
+      enabled: enabled && typeof workflowRunId !== 'undefined',
+      staleTime: 0,
+      ...options,
+    }
+  )
diff --git a/apps/studio/hooks/branches/useBranchMergeDiff.ts b/apps/studio/hooks/branches/useBranchMergeDiff.ts
new file mode 100644
index 0000000000..a71789e903
--- /dev/null
+++ b/apps/studio/hooks/branches/useBranchMergeDiff.ts
@@ -0,0 +1,240 @@
+import { useMemo } from 'react'
+import { useBranchDiffQuery } from 'data/branches/branch-diff-query'
+import { useMigrationsQuery } from 'data/database/migrations-query'
+import { useEdgeFunctionsDiff, type EdgeFunctionsDiffResult } from './useEdgeFunctionsDiff'
+
+interface UseBranchMergeDiffProps {
+  branchId?: string
+  currentBranchRef?: string
+  parentProjectRef?: string
+  currentBranchConnectionString?: string
+  parentBranchConnectionString?: string
+  currentBranchCreatedAt?: string
+}
+
+export interface BranchMergeDiffResult {
+  // Database diff
+  diffContent: string | undefined
+  isDatabaseDiffLoading: boolean
+  isDatabaseDiffRefetching: boolean
+  databaseDiffError: any
+  refetchDatabaseDiff: () => void
+
+  // Edge functions diff
+  edgeFunctionsDiff: EdgeFunctionsDiffResult
+
+  // Migrations
+  currentBranchMigrations: any[] | undefined
+  mainBranchMigrations: any[] | undefined
+  refetchCurrentBranchMigrations: () => void
+  refetchMainBranchMigrations: () => void
+
+  // Branch state
+  isBranchOutOfDateMigrations: boolean
+  hasEdgeFunctionModifications: boolean
+  missingFunctionsCount: number
+  hasMissingFunctions: boolean
+  outOfDateFunctionsCount: number
+  hasOutOfDateFunctions: boolean
+  isBranchOutOfDateOverall: boolean
+  missingMigrationsCount: number
+  modifiedFunctionsCount: number
+
+  // Combined states
+  isLoading: boolean
+  hasChanges: boolean
+}
+
+export const useBranchMergeDiff = ({
+  branchId,
+  currentBranchRef,
+  parentProjectRef,
+  currentBranchConnectionString,
+  parentBranchConnectionString,
+  currentBranchCreatedAt,
+}: UseBranchMergeDiffProps): BranchMergeDiffResult => {
+  // Get database diff
+  const {
+    data: diffContent,
+    isLoading: isDatabaseDiffLoading,
+    isRefetching: isDatabaseDiffRefetching,
+    error: databaseDiffError,
+    refetch: refetchDatabaseDiff,
+  } = useBranchDiffQuery(
+    {
+      branchId: branchId || '',
+      projectRef: parentProjectRef || '',
+    },
+    {
+      enabled: !!branchId && !!parentProjectRef,
+      refetchOnMount: 'always',
+      refetchOnWindowFocus: false,
+      staleTime: 0,
+    }
+  )
+
+  // Get migrations for both current branch and main branch
+  const { data: currentBranchMigrations, refetch: refetchCurrentBranchMigrations } =
+    useMigrationsQuery(
+      {
+        projectRef: currentBranchRef,
+        connectionString: currentBranchConnectionString,
+      },
+      {
+        enabled: !!currentBranchRef,
+        staleTime: 3000,
+      }
+    )
+
+  const { data: mainBranchMigrations, refetch: refetchMainBranchMigrations } = useMigrationsQuery(
+    {
+      projectRef: parentProjectRef,
+      connectionString: parentBranchConnectionString,
+    },
+    {
+      enabled: !!parentProjectRef,
+      staleTime: 3000,
+    }
+  )
+
+  // Get edge functions diff
+  const edgeFunctionsDiff = useEdgeFunctionsDiff({
+    currentBranchRef,
+    mainBranchRef: parentProjectRef,
+  })
+
+  // Check if current branch is out of date with main branch (migrations)
+  const isBranchOutOfDateMigrations = useMemo(() => {
+    if (!currentBranchMigrations || !mainBranchMigrations) return false
+
+    // Get the latest migration version from main branch
+    const latestMainMigration = mainBranchMigrations[0] // migrations are ordered by version desc
+    if (!latestMainMigration) return false
+
+    // Check if current branch has this latest migration
+    const hasLatestMigration = currentBranchMigrations.some(
+      (migration) => migration.version === latestMainMigration.version
+    )
+
+    return !hasLatestMigration
+  }, [currentBranchMigrations, mainBranchMigrations])
+
+  // Check if main branch has functions that are newer than the current branch versions
+  const outOfDateFunctionsCount = useMemo(() => {
+    if (!edgeFunctionsDiff.modifiedSlugs.length) return 0
+
+    return edgeFunctionsDiff.modifiedSlugs.filter((slug) => {
+      // Get both main and current branch function data
+      const mainFunction = edgeFunctionsDiff.mainBranchFunctions?.find((func) => func.slug === slug)
+      const currentFunction = edgeFunctionsDiff.currentBranchFunctions?.find(
+        (func) => func.slug === slug
+      )
+
+      if (!mainFunction || !currentFunction) return false
+
+      // Compare updated_at timestamps - if main branch function is newer, it was modified after current branch
+      const mainUpdatedAt = mainFunction.updated_at * 1000 // Convert to milliseconds
+      const currentUpdatedAt = currentFunction.updated_at * 1000 // Convert to milliseconds
+
+      return mainUpdatedAt > currentUpdatedAt
+    }).length
+  }, [
+    edgeFunctionsDiff.modifiedSlugs,
+    edgeFunctionsDiff.mainBranchFunctions,
+    edgeFunctionsDiff.currentBranchFunctions,
+  ])
+
+  // Check if main branch has functions that are newer than the current branch versions
+  const hasOutOfDateFunctions = outOfDateFunctionsCount > 0
+
+  // Check if current branch has any edge function modifications (not additions/removals)
+  // This only includes functions where the current branch version is newer than the main branch version
+  const hasEdgeFunctionModifications =
+    edgeFunctionsDiff.modifiedSlugs.length > outOfDateFunctionsCount
+
+  // Count of removed functions that were updated on main branch after this branch was created
+  // Note: For removed functions, we use branch creation date since there's no current branch version to compare to
+  const missingFunctionsCount = useMemo(() => {
+    if (!currentBranchCreatedAt || !edgeFunctionsDiff.removedSlugs.length) return 0
+
+    const branchCreatedAt = new Date(currentBranchCreatedAt).getTime()
+
+    return edgeFunctionsDiff.removedSlugs.filter((slug) => {
+      // Access main branch function data from the original functions list
+      const mainFunction = edgeFunctionsDiff.mainBranchFunctions?.find((func) => func.slug === slug)
+      if (!mainFunction) return false
+
+      // Check if function was updated after branch creation
+      const functionUpdatedAt = mainFunction.updated_at * 1000 // Convert to milliseconds
+      return functionUpdatedAt > branchCreatedAt
+    }).length
+  }, [
+    currentBranchCreatedAt,
+    edgeFunctionsDiff.removedSlugs,
+    edgeFunctionsDiff.mainBranchFunctions,
+  ])
+
+  // Check if main branch has functions removed from current branch that were updated after branch creation
+  const hasMissingFunctions = missingFunctionsCount > 0
+
+  // Update overall out-of-date check to include newer removed functions and newer modified functions
+  const isBranchOutOfDateOverall =
+    isBranchOutOfDateMigrations || hasMissingFunctions || hasOutOfDateFunctions
+
+  // Get the count of migrations that the branch is missing
+  const missingMigrationsCount = useMemo(() => {
+    if (!currentBranchMigrations || !mainBranchMigrations || !isBranchOutOfDateMigrations) return 0
+
+    const currentVersions = new Set(currentBranchMigrations.map((m) => m.version))
+    return mainBranchMigrations.filter((m) => !currentVersions.has(m.version)).length
+  }, [currentBranchMigrations, mainBranchMigrations, isBranchOutOfDateMigrations])
+
+  // Get count of modified functions
+  const modifiedFunctionsCount = edgeFunctionsDiff.modifiedSlugs.length
+
+  // Check if there are any changes (database or edge functions)
+  const hasChanges = useMemo(() => {
+    // Check database changes
+    const hasDatabaseChanges = diffContent && diffContent.trim() !== ''
+
+    // Check edge function changes
+    const hasEdgeFunctionChanges = edgeFunctionsDiff.hasChanges
+
+    return hasDatabaseChanges || hasEdgeFunctionChanges
+  }, [diffContent, edgeFunctionsDiff.hasChanges])
+
+  const isLoading = isDatabaseDiffLoading || edgeFunctionsDiff.isLoading
+
+  return {
+    // Database diff
+    diffContent,
+    isDatabaseDiffLoading,
+    isDatabaseDiffRefetching,
+    databaseDiffError,
+    refetchDatabaseDiff,
+
+    // Edge functions diff
+    edgeFunctionsDiff,
+
+    // Migrations
+    currentBranchMigrations,
+    mainBranchMigrations,
+    refetchCurrentBranchMigrations,
+    refetchMainBranchMigrations,
+
+    // Branch state
+    isBranchOutOfDateMigrations,
+    hasEdgeFunctionModifications,
+    missingFunctionsCount,
+    hasMissingFunctions,
+    outOfDateFunctionsCount,
+    hasOutOfDateFunctions,
+    isBranchOutOfDateOverall,
+    missingMigrationsCount,
+    modifiedFunctionsCount,
+
+    // Combined states
+    isLoading,
+    hasChanges,
+  }
+}
diff --git a/apps/studio/hooks/branches/useEdgeFunctionsDiff.ts b/apps/studio/hooks/branches/useEdgeFunctionsDiff.ts
new file mode 100644
index 0000000000..4319a90f7c
--- /dev/null
+++ b/apps/studio/hooks/branches/useEdgeFunctionsDiff.ts
@@ -0,0 +1,291 @@
+import { useMemo, useCallback } from 'react'
+import { useQueries, useQueryClient } from '@tanstack/react-query'
+import { handleError } from 'data/fetchers'
+import {
+  getEdgeFunctionBody,
+  type EdgeFunctionBodyData,
+} from 'data/edge-functions/edge-function-body-query'
+import {
+  useEdgeFunctionsQuery,
+  type EdgeFunctionsData,
+} from 'data/edge-functions/edge-functions-query'
+import { basename } from 'path'
+import { edgeFunctionsKeys } from 'data/edge-functions/keys'
+
+interface UseEdgeFunctionsDiffProps {
+  currentBranchRef?: string
+  mainBranchRef?: string
+}
+
+export type FileStatus = 'added' | 'removed' | 'modified' | 'unchanged'
+
+export interface FileInfo {
+  key: string
+  status: FileStatus
+}
+
+export interface FunctionFileInfo {
+  [functionSlug: string]: FileInfo[]
+}
+
+export interface EdgeFunctionsDiffResult {
+  addedSlugs: string[]
+  removedSlugs: string[]
+  modifiedSlugs: string[]
+  addedBodiesMap: Record<string, EdgeFunctionBodyData | undefined>
+  removedBodiesMap: Record<string, EdgeFunctionBodyData | undefined>
+  currentBodiesMap: Record<string, EdgeFunctionBodyData | undefined>
+  mainBodiesMap: Record<string, EdgeFunctionBodyData | undefined>
+  functionFileInfo: FunctionFileInfo
+  isLoading: boolean
+  hasChanges: boolean
+  refetchCurrentBranchFunctions: () => void
+  refetchMainBranchFunctions: () => void
+  currentBranchFunctions?: EdgeFunctionsData
+  mainBranchFunctions?: EdgeFunctionsData
+  clearDiffsOptimistically: () => void
+}
+
+// Small helper around path.basename but avoids importing the full Node path lib for the browser bundle
+const fileKey = (fullPath: string) => basename(fullPath)
+
+export const useEdgeFunctionsDiff = ({
+  currentBranchRef,
+  mainBranchRef,
+}: UseEdgeFunctionsDiffProps): EdgeFunctionsDiffResult => {
+  const queryClient = useQueryClient()
+
+  // Fetch edge functions for both branches
+  const {
+    data: currentBranchFunctions,
+    isLoading: isCurrentFunctionsLoading,
+    refetch: refetchCurrentBranchFunctions,
+  } = useEdgeFunctionsQuery(
+    { projectRef: currentBranchRef },
+    {
+      enabled: !!currentBranchRef,
+      refetchOnMount: 'always',
+      staleTime: 30000, // 30 seconds
+    }
+  )
+
+  const {
+    data: mainBranchFunctions,
+    isLoading: isMainFunctionsLoading,
+    refetch: refetchMainBranchFunctions,
+  } = useEdgeFunctionsQuery(
+    { projectRef: mainBranchRef },
+    {
+      enabled: !!mainBranchRef,
+      refetchOnMount: 'always',
+      staleTime: 30000, // 30 seconds
+    }
+  )
+
+  // Identify added / removed / overlapping functions
+  const {
+    added = [],
+    removed = [],
+    overlap = [],
+  } = useMemo(() => {
+    if (!currentBranchFunctions || !mainBranchFunctions) {
+      return { added: [], removed: [], overlap: [] as typeof currentBranchFunctions }
+    }
+
+    const currentFuncs = currentBranchFunctions ?? []
+    const mainFuncs = mainBranchFunctions ?? []
+
+    const added = currentFuncs.filter((c) => !mainFuncs.find((m) => m.slug === c.slug))
+    const removed = mainFuncs.filter((m) => !currentFuncs.find((c) => c.slug === m.slug))
+    const overlap = currentFuncs.filter((c) => mainFuncs.find((m) => m.slug === c.slug))
+
+    return { added, removed, overlap }
+  }, [currentBranchFunctions, mainBranchFunctions])
+
+  const overlapSlugs = overlap.map((f) => f.slug)
+  const addedSlugs = added.map((f) => f.slug)
+  const removedSlugs = removed.map((f) => f.slug)
+
+  // Fetch function bodies ---------------------------------------------------
+  const currentBodiesQueries = useQueries({
+    queries: overlapSlugs.map((slug) => ({
+      queryKey: ['edge-function-body', currentBranchRef, slug],
+      queryFn: ({ signal }: { signal?: AbortSignal }) =>
+        getEdgeFunctionBody({ projectRef: currentBranchRef, slug }, signal),
+      enabled: !!currentBranchRef,
+      refetchOnMount: 'always' as const,
+    })),
+  })
+
+  const mainBodiesQueries = useQueries({
+    queries: overlapSlugs.map((slug) => ({
+      queryKey: ['edge-function-body', mainBranchRef, slug],
+      queryFn: ({ signal }: { signal?: AbortSignal }) =>
+        getEdgeFunctionBody({ projectRef: mainBranchRef, slug }, signal),
+      enabled: !!mainBranchRef,
+      refetchOnMount: 'always' as const,
+    })),
+  })
+
+  const addedBodiesQueries = useQueries({
+    queries: addedSlugs.map((slug) => ({
+      queryKey: ['edge-function-body', currentBranchRef, slug],
+      queryFn: ({ signal }: { signal?: AbortSignal }) =>
+        getEdgeFunctionBody({ projectRef: currentBranchRef, slug }, signal),
+      enabled: !!currentBranchRef,
+      refetchOnMount: 'always' as const,
+    })),
+  })
+
+  const removedBodiesQueries = useQueries({
+    queries: removedSlugs.map((slug) => ({
+      queryKey: ['edge-function-body', mainBranchRef, slug],
+      queryFn: ({ signal }: { signal?: AbortSignal }) =>
+        getEdgeFunctionBody({ projectRef: mainBranchRef, slug }, signal),
+      enabled: !!mainBranchRef,
+      refetchOnMount: 'always' as const,
+    })),
+  })
+
+  // Flatten loading flags ----------------------------------------------------
+  const isLoading =
+    [
+      ...currentBodiesQueries,
+      ...mainBodiesQueries,
+      ...addedBodiesQueries,
+      ...removedBodiesQueries,
+    ].some((q) => q.isLoading) ||
+    isCurrentFunctionsLoading ||
+    isMainFunctionsLoading
+
+  // Aggregate errors across all queries and handle the first encountered error.
+  const firstError = [
+    ...currentBodiesQueries,
+    ...mainBodiesQueries,
+    ...addedBodiesQueries,
+    ...removedBodiesQueries,
+  ].find((q) => q.error)?.error
+
+  if (firstError) {
+    handleError(firstError)
+  }
+
+  // Build lookup maps --------------------------------------------------------
+  const currentBodiesMap: Record<string, EdgeFunctionBodyData | undefined> = {}
+  currentBodiesQueries.forEach((q, idx) => {
+    if (q.data) currentBodiesMap[overlapSlugs[idx]] = q.data
+  })
+
+  const mainBodiesMap: Record<string, EdgeFunctionBodyData | undefined> = {}
+  mainBodiesQueries.forEach((q, idx) => {
+    if (q.data) mainBodiesMap[overlapSlugs[idx]] = q.data
+  })
+
+  const addedBodiesMap: Record<string, EdgeFunctionBodyData | undefined> = {}
+  addedBodiesQueries.forEach((q, idx) => {
+    if (q.data) addedBodiesMap[addedSlugs[idx]] = q.data
+  })
+
+  const removedBodiesMap: Record<string, EdgeFunctionBodyData | undefined> = {}
+  removedBodiesQueries.forEach((q, idx) => {
+    if (q.data) removedBodiesMap[removedSlugs[idx]] = q.data
+  })
+
+  // Determine modified slugs and build file info -----------------------------
+  const modifiedSlugs: string[] = []
+  const functionFileInfo: FunctionFileInfo = {}
+
+  // Process overlapping functions to determine modifications and file info
+  overlapSlugs.forEach((slug) => {
+    const currentBody = currentBodiesMap[slug]
+    const mainBody = mainBodiesMap[slug]
+    if (!currentBody || !mainBody) return
+
+    const allFileKeys = new Set([...currentBody, ...mainBody].map((f) => fileKey(f.name)))
+    const fileInfos: FileInfo[] = []
+    let hasModifications = false
+
+    for (const key of allFileKeys) {
+      const currentFile = currentBody.find((f) => fileKey(f.name) === key)
+      const mainFile = mainBody.find((f) => fileKey(f.name) === key)
+
+      let status: FileStatus = 'unchanged'
+
+      if (!currentFile && mainFile) {
+        status = 'removed'
+        hasModifications = true
+      } else if (currentFile && !mainFile) {
+        status = 'added'
+        hasModifications = true
+      } else if (currentFile && mainFile && currentFile.content !== mainFile.content) {
+        status = 'modified'
+        hasModifications = true
+      }
+
+      fileInfos.push({ key, status })
+    }
+
+    if (hasModifications) {
+      modifiedSlugs.push(slug)
+    }
+
+    functionFileInfo[slug] = fileInfos
+  })
+
+  // Add file info for added functions
+  addedSlugs.forEach((slug) => {
+    const body = addedBodiesMap[slug]
+    if (body) {
+      functionFileInfo[slug] = body.map((file) => ({
+        key: fileKey(file.name),
+        status: 'added' as FileStatus,
+      }))
+    }
+  })
+
+  // Add file info for removed functions
+  removedSlugs.forEach((slug) => {
+    const body = removedBodiesMap[slug]
+    if (body) {
+      functionFileInfo[slug] = body.map((file) => ({
+        key: fileKey(file.name),
+        status: 'removed' as FileStatus,
+      }))
+    }
+  })
+
+  const hasChanges = addedSlugs.length > 0 || removedSlugs.length > 0 || modifiedSlugs.length > 0
+
+  const clearDiffsOptimistically = useCallback(() => {
+    if (!currentBranchRef || !mainBranchFunctions) return
+
+    queryClient.setQueryData(edgeFunctionsKeys.list(currentBranchRef), mainBranchFunctions)
+
+    mainBranchFunctions.forEach((func) => {
+      const mainBody = mainBodiesMap[func.slug]
+      if (mainBody) {
+        queryClient.setQueryData(['edge-function-body', currentBranchRef, func.slug], mainBody)
+      }
+    })
+  }, [currentBranchRef, mainBranchFunctions, mainBodiesMap, queryClient])
+
+  return {
+    addedSlugs,
+    removedSlugs,
+    modifiedSlugs,
+    addedBodiesMap,
+    removedBodiesMap,
+    currentBodiesMap,
+    mainBodiesMap,
+    functionFileInfo,
+    isLoading,
+    hasChanges,
+    refetchCurrentBranchFunctions,
+    refetchMainBranchFunctions,
+    currentBranchFunctions,
+    mainBranchFunctions,
+    clearDiffsOptimistically,
+  }
+}
+
+export default useEdgeFunctionsDiff
diff --git a/apps/studio/hooks/branches/useWorkflowManagement.ts b/apps/studio/hooks/branches/useWorkflowManagement.ts
new file mode 100644
index 0000000000..2bd1c4e458
--- /dev/null
+++ b/apps/studio/hooks/branches/useWorkflowManagement.ts
@@ -0,0 +1,66 @@
+import { useState, useEffect } from 'react'
+
+import { useWorkflowRunsQuery } from 'data/workflow-runs/workflow-runs-query'
+import { useWorkflowRunQuery } from 'data/workflow-runs/workflow-run-query'
+
+interface UseWorkflowManagementProps {
+  workflowRunId?: string
+  projectRef?: string
+  onWorkflowComplete?: (status: string) => void
+}
+
+export const useWorkflowManagement = ({
+  workflowRunId,
+  projectRef,
+  onWorkflowComplete,
+}: UseWorkflowManagementProps) => {
+  const [hasRefetched, setHasRefetched] = useState(false)
+
+  // Get workflow runs and logs
+  const { data: workflowRuns } = useWorkflowRunsQuery(
+    { projectRef },
+    {
+      enabled: Boolean(workflowRunId),
+      refetchInterval: 3000,
+      refetchOnMount: 'always',
+      staleTime: 0,
+    }
+  )
+
+  const { data: workflowRunLogs } = useWorkflowRunQuery(
+    { projectRef, workflowRunId },
+    {
+      refetchInterval: 2000,
+      refetchOnMount: 'always',
+      staleTime: 0,
+    }
+  )
+
+  // Find current workflow run
+  const currentWorkflowRun = workflowRuns?.find((run) => run.id === workflowRunId)
+
+  // Handle workflow completion
+  useEffect(() => {
+    if (!currentWorkflowRun?.status || !workflowRunId) return
+
+    const isComplete = ['FUNCTIONS_DEPLOYED', 'MIGRATIONS_FAILED', 'FUNCTIONS_FAILED'].includes(
+      currentWorkflowRun.status
+    )
+
+    // Only refetch once per workflow completion
+    if (isComplete && !hasRefetched) {
+      setHasRefetched(true)
+      onWorkflowComplete?.(currentWorkflowRun.status)
+    }
+  }, [currentWorkflowRun?.status, workflowRunId, hasRefetched, onWorkflowComplete])
+
+  // Reset refetch flag when workflow ID changes
+  useEffect(() => {
+    setHasRefetched(false)
+  }, [workflowRunId])
+
+  return {
+    currentWorkflowRun,
+    workflowRunLogs: workflowRunLogs?.logs,
+  }
+}
diff --git a/apps/studio/pages/project/[ref]/merge.tsx b/apps/studio/pages/project/[ref]/merge.tsx
new file mode 100644
index 0000000000..ec695e8e41
--- /dev/null
+++ b/apps/studio/pages/project/[ref]/merge.tsx
@@ -0,0 +1,471 @@
+import { useState, useEffect, useMemo, useCallback } from 'react'
+import { useRouter } from 'next/router'
+import dayjs from 'dayjs'
+
+import { useParams } from 'common'
+import { ProjectLayoutWithAuth } from 'components/layouts/ProjectLayout/ProjectLayout'
+import DefaultLayout from 'components/layouts/DefaultLayout'
+import { PageLayout } from 'components/layouts/PageLayout/PageLayout'
+import { useProjectByRef, useSelectedProject } from 'hooks/misc/useSelectedProject'
+import { useBranchesQuery } from 'data/branches/branches-query'
+import { useBranchMergeMutation } from 'data/branches/branch-merge-mutation'
+import { useBranchPushMutation } from 'data/branches/branch-push-mutation'
+import { useBranchMergeDiff } from 'hooks/branches/useBranchMergeDiff'
+import { useWorkflowManagement } from 'hooks/branches/useWorkflowManagement'
+import DatabaseDiffPanel from 'components/interfaces/BranchManagement/DatabaseDiffPanel'
+import EdgeFunctionsDiffPanel from 'components/interfaces/BranchManagement/EdgeFunctionsDiffPanel'
+import { OutOfDateNotice } from 'components/interfaces/BranchManagement/OutOfDateNotice'
+import { Badge, Button, NavMenu, NavMenuItem, cn, Alert } from 'ui'
+import ConfirmationModal from 'ui-patterns/Dialogs/ConfirmationModal'
+import { toast } from 'sonner'
+import type { NextPageWithLayout } from 'types'
+
+import { ScaffoldContainer } from 'components/layouts/Scaffold'
+import { GitBranchIcon, GitMerge, Shield, ExternalLink, AlertTriangle } from 'lucide-react'
+import Link from 'next/link'
+import { ButtonTooltip } from 'components/ui/ButtonTooltip'
+import WorkflowLogsCard from 'components/interfaces/BranchManagement/WorkflowLogsCard'
+import ProductEmptyState from 'components/to-be-cleaned/ProductEmptyState'
+import { useFlag } from 'hooks/ui/useFlag'
+
+const MergePage: NextPageWithLayout = () => {
+  const router = useRouter()
+  const { ref } = useParams()
+
+  const gitlessBranching = useFlag('gitlessBranching')
+
+  const project = useSelectedProject()
+  const [isSubmitting, setIsSubmitting] = useState(false)
+  const [workflowFinalStatus, setWorkflowFinalStatus] = useState<string | null>(null)
+  const [showConfirmDialog, setShowConfirmDialog] = useState(false)
+
+  const isBranch = project?.parent_project_ref !== undefined
+  const parentProjectRef = project?.parent_project_ref
+
+  const parentProject = useProjectByRef(parentProjectRef)
+
+  const { data: branches } = useBranchesQuery(
+    { projectRef: parentProjectRef },
+    {
+      refetchOnMount: 'always',
+      refetchOnWindowFocus: true,
+      staleTime: 0,
+    }
+  )
+  const currentBranch = branches?.find((branch) => branch.project_ref === ref)
+  const mainBranch = branches?.find((branch) => branch.is_default)
+
+  const {
+    diffContent,
+    isDatabaseDiffLoading,
+    isDatabaseDiffRefetching,
+    databaseDiffError: diffError,
+    refetchDatabaseDiff: refetchDiff,
+    edgeFunctionsDiff,
+    isBranchOutOfDateMigrations,
+    hasEdgeFunctionModifications,
+    missingFunctionsCount,
+    hasMissingFunctions,
+    outOfDateFunctionsCount,
+    hasOutOfDateFunctions,
+    isBranchOutOfDateOverall,
+    missingMigrationsCount,
+    modifiedFunctionsCount,
+    isLoading: isCombinedDiffLoading,
+    hasChanges: combinedHasChanges,
+  } = useBranchMergeDiff({
+    branchId: currentBranch?.id,
+    currentBranchRef: ref,
+    parentProjectRef,
+    currentBranchConnectionString: project?.connectionString || undefined,
+    parentBranchConnectionString: (parentProject as any)?.connectionString || undefined,
+    currentBranchCreatedAt: currentBranch?.created_at,
+  })
+
+  const currentWorkflowRunId = router.query.workflow_run_id as string | undefined
+
+  useEffect(() => {
+    setWorkflowFinalStatus(null)
+  }, [currentWorkflowRunId])
+
+  const { currentWorkflowRun: currentBranchWorkflow, workflowRunLogs: currentBranchLogs } =
+    useWorkflowManagement({
+      workflowRunId: currentWorkflowRunId,
+      projectRef: ref,
+      onWorkflowComplete: (status) => {
+        setWorkflowFinalStatus(status)
+        refetchDiff()
+        edgeFunctionsDiff.clearDiffsOptimistically()
+      },
+    })
+
+  const { currentWorkflowRun: parentBranchWorkflow, workflowRunLogs: parentBranchLogs } =
+    useWorkflowManagement({
+      workflowRunId: currentWorkflowRunId,
+      projectRef: parentProjectRef,
+      onWorkflowComplete: (status) => {
+        setWorkflowFinalStatus(status)
+        refetchDiff()
+        edgeFunctionsDiff.clearDiffsOptimistically()
+      },
+    })
+
+  const currentWorkflowRun = currentBranchWorkflow || parentBranchWorkflow
+  const workflowRunLogs = currentBranchLogs || parentBranchLogs
+
+  const hasCurrentWorkflowFailed = workflowFinalStatus
+    ? ['MIGRATIONS_FAILED', 'FUNCTIONS_FAILED'].includes(workflowFinalStatus)
+    : currentWorkflowRun?.status &&
+      ['MIGRATIONS_FAILED', 'FUNCTIONS_FAILED'].includes(currentWorkflowRun.status)
+
+  const isWorkflowRunning =
+    currentWorkflowRun?.status === 'RUNNING_MIGRATIONS' ||
+    currentWorkflowRun?.status === 'CREATING_PROJECT'
+
+  const addWorkflowRun = useCallback(
+    (workflowRunId: string) => {
+      router.push({
+        pathname: router.pathname,
+        query: { ...router.query, workflow_run_id: workflowRunId },
+      })
+    },
+    [router]
+  )
+
+  const clearWorkflowRun = useCallback(() => {
+    const { workflow_run_id, ...queryWithoutWorkflowId } = router.query
+    router.push({
+      pathname: router.pathname,
+      query: queryWithoutWorkflowId,
+    })
+  }, [router])
+
+  const { mutate: pushBranch, isLoading: isPushing } = useBranchPushMutation({
+    onSuccess: (data) => {
+      toast.success('Branch update initiated!')
+      if (data?.workflow_run_id) {
+        addWorkflowRun(data.workflow_run_id)
+      }
+    },
+    onError: (error) => {
+      toast.error(`Failed to update branch: ${error.message}`)
+    },
+  })
+
+  const { mutate: mergeBranch, isLoading: isMerging } = useBranchMergeMutation({
+    onSuccess: (data) => {
+      setIsSubmitting(false)
+      if (data.workflowRunId) {
+        toast.success('Branch merge initiated!')
+        addWorkflowRun(data.workflowRunId)
+      } else {
+        toast.info('No changes to merge')
+      }
+    },
+    onError: (error) => {
+      setIsSubmitting(false)
+      toast.error(`Failed to merge branch: ${error.message}`)
+    },
+  })
+
+  const handlePush = () => {
+    if (!currentBranch?.id || !parentProjectRef) return
+    pushBranch({
+      id: currentBranch.id,
+      projectRef: parentProjectRef,
+    })
+  }
+
+  const handleMerge = () => {
+    if (!currentBranch?.id || !parentProjectRef || !ref) return
+    setIsSubmitting(true)
+    mergeBranch({
+      id: currentBranch.id,
+      branchProjectRef: ref,
+      baseProjectRef: parentProjectRef,
+      migration_version: undefined,
+    })
+  }
+
+  const handleShowConfirmDialog = () => {
+    setShowConfirmDialog(true)
+  }
+
+  const handleConfirmMerge = () => {
+    setShowConfirmDialog(false)
+    handleMerge()
+  }
+
+  const handleCancelMerge = () => {
+    setShowConfirmDialog(false)
+  }
+
+  const breadcrumbs = useMemo(
+    () => [
+      {
+        label: 'Branches',
+        href: `/project/${parentProjectRef}/branches`,
+      },
+    ],
+    [parentProjectRef]
+  )
+
+  const currentTab = (router.query.tab as string) || 'database'
+
+  const navigationItems = useMemo(() => {
+    const buildHref = (tab: string) => {
+      const query: Record<string, string> = { tab }
+      if (currentWorkflowRunId) query.workflow_run_id = currentWorkflowRunId
+      const qs = new URLSearchParams(query).toString()
+      return `/project/[ref]/merge?${qs}`
+    }
+
+    return [
+      {
+        label: 'Database',
+        href: buildHref('database'),
+        active: currentTab === 'database',
+      },
+      {
+        label: 'Edge Functions',
+        href: buildHref('edge-functions'),
+        active: currentTab === 'edge-functions',
+      },
+    ]
+  }, [currentWorkflowRunId, currentTab])
+
+  if (!gitlessBranching) {
+    return (
+      <PageLayout>
+        <ScaffoldContainer size="full">
+          <div className="flex items-center flex-col justify-center w-full py-16">
+            <ProductEmptyState title="Branch Merge - Coming Soon">
+              <p className="text-sm text-foreground-light">
+                The branch merge feature is currently in development and will be available soon.
+              </p>
+              <div className="flex items-center space-x-2 !mt-4">
+                <Button type="default" icon={<ExternalLink strokeWidth={1.5} />} asChild>
+                  <a
+                    target="_blank"
+                    rel="noreferrer"
+                    href="https://supabase.com/docs/guides/platform/branching"
+                  >
+                    View the docs
+                  </a>
+                </Button>
+              </div>
+            </ProductEmptyState>
+          </div>
+        </ScaffoldContainer>
+      </PageLayout>
+    )
+  }
+
+  // If not on a preview branch or branch info unavailable, show notice
+  if (!isBranch || !currentBranch) {
+    return (
+      <PageLayout>
+        <ScaffoldContainer size="full">
+          <div className="flex items-center flex-col justify-center w-full py-16">
+            <ProductEmptyState title="Merge Request">
+              <p className="text-sm text-foreground-light">
+                This page is only available for preview branches.
+              </p>
+            </ProductEmptyState>
+          </div>
+        </ScaffoldContainer>
+      </PageLayout>
+    )
+  }
+
+  const isMergeDisabled =
+    !combinedHasChanges || isCombinedDiffLoading || isBranchOutOfDateOverall || isWorkflowRunning
+
+  // Update primary actions - remove push button if branch is out of date (it will be in the notice)
+  const primaryActions = (
+    <div className="flex items-end gap-2">
+      {isMergeDisabled ? (
+        <ButtonTooltip
+          tooltip={{
+            content: {
+              text: !combinedHasChanges
+                ? 'No changes to merge'
+                : isWorkflowRunning
+                  ? 'Workflow is currently running'
+                  : 'Branch is out of date',
+            },
+          }}
+          type="primary"
+          loading={isMerging || isSubmitting}
+          disabled={isMergeDisabled}
+          onClick={handleShowConfirmDialog}
+          icon={<GitMerge size={16} strokeWidth={1.5} className="text-brand" />}
+        >
+          Merge branch
+        </ButtonTooltip>
+      ) : (
+        <Button
+          type="primary"
+          loading={isMerging || isSubmitting}
+          onClick={handleShowConfirmDialog}
+          disabled={isBranchOutOfDateOverall}
+          icon={<GitMerge size={16} strokeWidth={1.5} className="text-brand" />}
+        >
+          Merge branch
+        </Button>
+      )}
+    </div>
+  )
+
+  const pageTitle = () => (
+    <span>
+      Merge{' '}
+      <Link href={`/project/${ref}/editor`}>
+        <Badge className="font-mono text-lg gap-1">
+          <GitBranchIcon strokeWidth={1.5} size={16} className="text-foreground-muted" />
+          {currentBranch.name}
+        </Badge>
+      </Link>{' '}
+      into{' '}
+      <Link
+        href={`/project/${mainBranch?.project_ref}/editor`}
+        className="font-mono inline-flex gap-4"
+      >
+        <Badge className="font-mono text-lg gap-1">
+          <Shield strokeWidth={1.5} size={16} className="text-warning" />
+          {mainBranch?.name || 'main'}
+        </Badge>
+      </Link>
+    </span>
+  )
+
+  const pageSubtitle = () => {
+    if (!currentBranch?.created_at) return 'Branch information unavailable'
+
+    const createdTime = dayjs(currentBranch.created_at).fromNow()
+    return `Branch created ${createdTime}`
+  }
+
+  return (
+    <PageLayout
+      title={pageTitle()}
+      subtitle={pageSubtitle()}
+      breadcrumbs={breadcrumbs}
+      primaryActions={primaryActions}
+      size="full"
+      className="border-b-0 pb-0"
+    >
+      <div className="border-b">
+        <ScaffoldContainer size="full">
+          {isBranchOutOfDateOverall && !currentWorkflowRunId ? (
+            <OutOfDateNotice
+              isBranchOutOfDateMigrations={isBranchOutOfDateMigrations}
+              missingMigrationsCount={missingMigrationsCount}
+              hasMissingFunctions={hasMissingFunctions}
+              missingFunctionsCount={missingFunctionsCount}
+              hasOutOfDateFunctions={hasOutOfDateFunctions}
+              outOfDateFunctionsCount={outOfDateFunctionsCount}
+              hasEdgeFunctionModifications={hasEdgeFunctionModifications}
+              modifiedFunctionsCount={modifiedFunctionsCount}
+              isPushing={isPushing}
+              onPush={handlePush}
+            />
+          ) : currentWorkflowRunId ? (
+            <div className="my-6">
+              <WorkflowLogsCard
+                workflowRun={currentWorkflowRun}
+                logs={workflowRunLogs}
+                isLoading={!workflowRunLogs && !!currentWorkflowRunId}
+                onClose={clearWorkflowRun}
+                overrideTitle={hasCurrentWorkflowFailed ? 'Workflow failed' : undefined}
+                overrideDescription={
+                  hasCurrentWorkflowFailed
+                    ? 'Consider creating a fresh branch from the latest production branch to resolve potential conflicts.'
+                    : undefined
+                }
+                overrideIcon={
+                  hasCurrentWorkflowFailed ? (
+                    <AlertTriangle
+                      size={16}
+                      strokeWidth={1.5}
+                      className="text-destructive shrink-0"
+                    />
+                  ) : undefined
+                }
+                overrideAction={
+                  hasCurrentWorkflowFailed ? (
+                    <Button
+                      type="default"
+                      asChild
+                      icon={<GitBranchIcon size={16} strokeWidth={1.5} />}
+                      className="shrink-0"
+                    >
+                      <Link href={`/project/${parentProjectRef}/branches`}>Create new branch</Link>
+                    </Button>
+                  ) : undefined
+                }
+              />
+            </div>
+          ) : null}
+
+          <NavMenu className="mt-4 border-none">
+            {navigationItems.map((item) => {
+              const isActive =
+                item.active !== undefined ? item.active : router.asPath.split('?')[0] === item.href
+              return (
+                <NavMenuItem key={item.label} active={isActive}>
+                  <Link
+                    href={
+                      item.href.includes('[ref]') && !!ref
+                        ? item.href.replace('[ref]', ref)
+                        : item.href
+                    }
+                    className={cn('inline-flex items-center gap-2', isActive && 'text-foreground')}
+                  >
+                    {item.label}
+                  </Link>
+                </NavMenuItem>
+              )
+            })}
+          </NavMenu>
+        </ScaffoldContainer>
+      </div>
+      <ScaffoldContainer size="full" className="pt-6 pb-12">
+        {currentTab === 'database' ? (
+          <DatabaseDiffPanel
+            diffContent={diffContent}
+            isLoading={isDatabaseDiffLoading || isDatabaseDiffRefetching}
+            error={diffError}
+            showRefreshButton={true}
+            currentBranchRef={ref}
+          />
+        ) : (
+          <EdgeFunctionsDiffPanel
+            diffResults={edgeFunctionsDiff}
+            currentBranchRef={ref}
+            mainBranchRef={parentProjectRef}
+          />
+        )}
+      </ScaffoldContainer>
+
+      <ConfirmationModal
+        visible={showConfirmDialog}
+        title="Confirm Branch Merge"
+        description={`Are you sure you want to merge "${currentBranch?.name}" into "${mainBranch?.name || 'main'}"? This action cannot be undone.`}
+        confirmLabel="Merge Branch"
+        confirmLabelLoading="Merging..."
+        onConfirm={handleConfirmMerge}
+        onCancel={handleCancelMerge}
+        loading={isMerging || isSubmitting}
+      />
+    </PageLayout>
+  )
+}
+
+MergePage.getLayout = (page) => (
+  <DefaultLayout>
+    <ProjectLayoutWithAuth>{page}</ProjectLayoutWithAuth>
+  </DefaultLayout>
+)
+
+export default MergePage
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index dfdb226370..c6eb00d36a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -31190,7 +31190,7 @@ snapshots:
   flags@4.0.1(@opentelemetry/api@1.9.0)(next@15.3.1(@opentelemetry/api@1.9.0)(@playwright/test@1.53.0)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(sass@1.77.4))(react-dom@18.3.1(react@18.3.1))(react@18.3.1):
     dependencies:
       '@edge-runtime/cookies': 5.0.2
-      jose: 5.2.1
+      jose: 5.9.6
     optionalDependencies:
       '@opentelemetry/api': 1.9.0
       next: 15.3.1(@babel/core@7.26.10(supports-color@8.1.1))(@opentelemetry/api@1.9.0)(@playwright/test@1.53.0)(babel-plugin-macros@3.1.0)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)(sass@1.77.4)