## Unify the two metadata override mechanisms into one Twenty had **two** override mechanisms: - **`standardOverrides`** — a bespoke JSONB column on `objectMetadata`/`fieldMetadata` with typed DTOs and a per-locale `translations` map, resolved by two i18n-aware resolvers. - **`OverridableEntity.overrides`** — a flat, registry-driven JSONB blob on view / view-field / view-field-group / command-menu-item / page-layout-tab / page-layout-widget, resolved by a plain spread. This PR collapses them into **one** concept: a single `overrides` blob, one registry-driven overridable set, one i18n-aware read path, and one write path (`computeMetadataOverridesBlob`, extracted in #22404). Object/field **stay on `SyncableEntity`** (not reparented to `OverridableEntity`) so their `isActive` default stays **FALSE** — this sidesteps the `isActive` default conflict entirely. ### GraphQL breaking change (accepted) The `standardOverrides` field is **removed** with no deprecation alias — `overrides` (a `JSON` scalar) is exposed instead on `Object` and `Field`. Product confirmed negligible external usage; the front-end has no hand-written consumer (only generated types), which are regenerated here. ### Commit structure (reviewable commit-by-commit) 1. **Unified resolver + parity harness** — `resolveEffectiveEntityProperty` is a strict superset of the three legacy resolvers; a corpus parity spec compares it against a *frozen reference* of the old logic across every locale, `isStandardApp` branch and override shape. 2. **Registry-driven** — object/field presentation props tagged `isOverridable` + `translatable`; the overridable/translatable sets are derived from the registry (a test asserts they equal the legacy hardcoded lists). 3. **Rename + swap + delete** — `standardOverrides` → `overrides` across entities, DTOs, flat/universal types, producers, the ~12 resolve/write/create/sync call sites, mocks and specs; the reconciler's two compare entries collapse to one; the three legacy resolvers, both DTOs and the hardcoded constants/types are deleted. 4. **Migration (zero-downtime, two-phase)** — split across two releases so a rolling deploy never drops a column a previous-release pod still `SELECT`s: - **2.19 fast** — add the `overrides` column (schema only). - **2.19 slow** — backfill `overrides` from `standardOverrides` in `runDataMigration` (kept out of the schema transaction so the bulk write doesn't hold the ACCESS EXCLUSIVE lock; skipped on fresh installs, which have no data to copy). - **2.20 fast** — drop the legacy `standardOverrides` column (gated by `TWENTY_NEXT_VERSIONS`, so it stays dormant until the instance reaches 2.20). 5. **Front/client-SDK regen** — regenerated metadata GraphQL types. 6. **Integration specs + i18n** — updated the standard object/field update integration specs + snapshots, and the reworded validator message catalog entry. ### Rolling-deploy safety `standardOverrides` is retained through 2.19 and only dropped in 2.20, mirroring the codebase's deferred-drop convention (`isUIReadOnly`/`isCustom`). During the 2.19 rollout both columns exist, so old and new pods coexist without "column does not exist" errors. The backfill lives in a slow `runDataMigration` (per the `no-data-mutation-in-fast-instance-command` rule) so it doesn't stall reads. ### `isActive` guard The migration never reads or writes `isActive`; the backfill asserts the active-row count is unchanged and aborts otherwise. Verified on a real DB: apply + revert preserves the blob **and** the nested `translations` map, with `isActive` counts identical before/after. ### Verification (local) - `nx typecheck twenty-server` + `nx typecheck twenty-front` — green - `nx lint:diff-with-main twenty-server` (oxlint `--type-aware` + oxfmt) — green - `nx test twenty-server` — green (unit + parity + registry + migration tests) - `nx run twenty-server:test:integration:with-db-reset` — green - `database:reset` applies the 2.19 phases and leaves **both** columns present (2.20 drop stays dormant); backfill + revert round-trip verified on a real DB - Metadata integration suites (standard object/field update, application sync) pass end-to-end against the two-column schema - Metadata GraphQL types regenerated against a booted server; zero `standardOverrides` references remain in application code (only the migration commands + the legacy schema baseline) --------- Co-authored-by: prastoin <paul@twenty.com>
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the User Guide for product walkthroughs, or the
Documentation for developer reference.
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Stack
TypeScript
Nx
NestJS, with BullMQ,
PostgreSQL,
Redis
React, with Jotai, Linaria and Lingui
Thanks
Thanks to these amazing services that we use and recommend for code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
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