## Summary
I migrated every `useSendEventMutation` call site in `apps/studio` to
`useTrack`, deleted the legacy hook, and added a lint guardrail so it
can't return. `useTrack` is the type-safe replacement: it auto-injects
`groups: { project, organization }` from the selected project/org and
types `action` + `properties` against `TelemetryEvent`. Existing call
sites built groups manually and were not type-checked at the action
level. The migration covers 81 files (60 trivial swaps, 9 org-only, 3
pre-auth, 5 bespoke, 4 test mocks).
## Changes
- Migrated trivial call sites across `pages/project/[ref]`,
`components/interfaces/*` (Reports, Storage, Realtime/Inspector,
SQLEditor, Functions, EdgeFunctions, Integrations, ProjectAPIDocs,
Branching/BranchManagement, TableGridEditor, Connect, Docs, Auth,
Support, Home, ProjectHome, App), `components/layouts/*`, and
`components/ui/*`.
- Migrated org-only sites (`Organization/Documents/*`,
`Organization/BillingSettings/Subscription/*`,
`Organization/SecuritySettings.tsx`,
`Account/Preferences/DashboardSettingsToggles.tsx`) by dropping the
manual `groups: { organization: ... }` and letting `useTrack`
auto-inject. Verified `useSelectedProjectQuery` is disabled on org
routes (gates on URL `[ref]`).
- Migrated pre-auth sites (`SignInForm.tsx`, `sign-in-mfa.tsx`,
`profile.tsx`) where neither project nor org is resolved.
- Bespoke handling:
- `execute-sql-mutation.ts` and `table-row-create-mutation.ts`: pass `{
project: projectRef }` via `groupOverrides` since the mutation can
target a non-selected project ref.
- `useStudioCommandMenuTelemetry.ts`: kept a direct `sendTelemetryEvent`
call because studio groups must override pre-built event groups
(opposite of `useTrack`'s override direction).
- `AIAssistantOption.tsx`: passes sentinel-aware `groupOverrides` so
`NO_PROJECT_MARKER`/`NO_ORG_MARKER` continue to suppress group emission.
- `SidePanelEditor.utils.tsx`: utility functions `createTable` and
`updateTable` now take a `track: Track` parameter (threaded from
`SidePanelEditor.tsx`); dropped the `organizationSlug` arg since groups
are no longer assembled manually.
- Branch-event attribution: preserved `parentProjectRef` overrides on
`branch_updated`, `branch_merge_completed`, `branch_merge_failed`,
`branch_merge_submitted`, `branch_delete_button_clicked`,
`branch_review_with_assistant_clicked`, and
`branch_*_merge_request_button_clicked`. Original code grouped these
under the parent (production) project, not the branch ref;
auto-injection would have shifted them onto the branch.
- Switched 4 test mocks from `@/data/telemetry/send-event-mutation` to
`@/lib/telemetry/track`. Removed obsolete tests around manual groups and
`try/catch` on telemetry rejection.
- Deleted `apps/studio/data/telemetry/send-event-mutation.ts`. The
deleted module is its own guardrail: any reintroduction of the import
fails at TypeScript module resolution before lint runs.
## Testing
Tested on preview deploy:
- [x] SQL editor `CREATE TABLE` fires `table_created` with method
`sql_editor` and `groups.project` set to the mutation's `projectRef`.
- [x] Table editor creates a table from the side panel; `table_created`
fires from `SidePanelEditor.utils` via threaded `track`.
- [x] Help button (`/project/[ref]/...`) fires `help_button_clicked`
with auto-injected project + org groups.
- [x] Sign-in form fires `sign_in` with empty groups (pre-auth,
expected).
- [x] Org documents page (`/org/[slug]/documents`) fires
`document_view_button_clicked` with org group only, no stale project
ref.
- [x] Command menu (`Cmd+K`) inside a project still fires
`command_menu_opened` with studio's project/org overriding any
event-supplied groups.
- [x] Support form "Ask the Assistant" without selected org fires
`ai_assistant_in_support_form_clicked` with no project/org groups
(sentinels suppress).
- [x] On a branch, "Update branch" / "Merge branch" / "Close merge
request" events fire with `groups.project` set to the parent project
ref, not the branch ref.
Local checks:
- [x] 22/22 tests pass across the 4 updated test files
(`SidePanelEditor.utils.createTable`, `EdgeFunctionRenderer`,
`LayoutSidebar`, `PlanUpdateSidePanel`).
- [x] `rg useSendEventMutation apps/studio` returns 0 hits.
## Linear
- fixes GROWTH-860
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Standardized telemetry across the Studio to a unified tracking system;
events now send simplified payloads with less contextual/grouping data.
* No user-facing flows changed; UI behavior, permissions, and
interactions remain the same.
* **Tests**
* Updated telemetry mocks and tests to align with the new tracking
approach.
<!-- review_stack_entry_start -->
[](https://app.coderabbit.ai/change-stack/supabase/supabase/pull/46140?utm_source=github_walkthrough&utm_medium=github&utm_campaign=change_stack)
<!-- review_stack_entry_end -->
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## Summary
The `homeNew` PostHog experiment has concluded. This PR graduates it by
making the new homepage (`ProjectHome`, formerly `HomeV2`) the permanent
default for all users, and removes all dead code from the old
experiment.
## Changes
- Remove `homeNew` PostHog feature flag checks and `home_new` experiment
exposure tracking from 3 files
- Rename `HomeNew/` → `ProjectHome/` directory and `HomeV2` →
`ProjectHome` export
- Delete old `Home/Home.tsx` component (shared components like
`ProjectList/` are kept — still used by org pages)
- Delete `pages/project/[ref]/building.tsx` and add a server-side
redirect from `/project/:ref/building` → `/project/:ref` to prevent 404s
during rollout (old cached JS bundles may still route to `/building`)
- Simplify `ContentWrapper` building-state logic in `ProjectLayout` —
always redirect building projects to home, always suppress building
interstitial on home page
- Always route to `/project/{ref}` after project creation (remove
`/building` path)
- Update all Observability imports from `HomeNew` → `ProjectHome`
## Self-hosted behavior change
Self-hosted Studio previously showed the old `Home` component (client
libraries + example projects) since PostHog flags don't load. This PR
changes self-hosted to show `ProjectHome` (TopSection with service
status + instance diagram, advisor, custom reports). All sections query
backend APIs that exist on self-hosted. E2E tests pass against the
self-hosted build.
## Testing
- [x] `pnpm turbo run build --filter=studio` passes
- [x] No remaining references to `homeNew`, `home_new`, or `HomeNew` in
codebase
- [x] No broken imports to deleted files
- [x] Self-hosted E2E tests pass (145 passed, 1 flaky, 4 skipped)
- [x] `/building` redirect added to both platform and self-hosted config
blocks
**Quick test:**
1. Navigate to any project homepage — should render the ProjectHome
component
2. Create a new project — should redirect to `/project/{ref}` (not
`/building`)
3. Visit a project in `COMING_UP` state on a non-home route — should
redirect to home
4. Visit `/project/{ref}/building` directly — should 302 redirect to
`/project/{ref}`
## Linear
- fixes GROWTH-671
