Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.
The `shadcn` CLI is at 4.21.4 (2026-10-07). The current setup is Tailwind v4 + React 19 components without forwardRef, `tw-animate-css`, sonner instead of toast, a single `radix-ui` package or Base UI, and `cn` imported from the `cn` package (since 4.21.0, Sept 2026).
SQLAlchemy 2.1.0 was released 2026-09-24 (2.1.4 on 2026-10-07). It needs Python 3.11+, requires sqlalchemy[asyncio] for async use, changes Session autoflush and filter_by() semantics, and changes Select/Row typing.
Mongoose 9.0.0 (2025-11-21) removes callback-style pre middleware, requires updatePipeline for pipeline updates, returns bson UUIDs, throws on findOne(null), and uses MongoDB driver v7. Current release is 9.11.1 (2026-10-07); 8.x is still patched.
Electron 44 (2026-08-25, Chromium 152, Node 24.18.1) is the latest stable; 44/43/42 are supported. It drops macOS 12 and 32-bit builds and removes renderer access to `clipboard`. Since 42 the npm package no longer downloads the binary in postinstall.
Expo SDK 57 (RN 0.86, React 19.2) is the stable SDK. SDK 58 (RN 0.88) is in beta. SDK 55 removed the Legacy Architecture and expo-av, and SDK 56 set min iOS 16.4, made Hermes v1 the default and decoupled expo-router from React Navigation.
SvelteKit 3.0.0 shipped 2026-10-01 (3.0.1 on 10-06): Node 22.17+, Vite 8, Svelte 5.57.1+, TS 6. Config moves from `svelte.config.js` into the `sveltekit()` Vite plugin, `$lib` becomes `#lib`, `$app/stores` is removed. Run `npx sv migrate sveltekit-3`.
Laravel 13 (2026-03-17, PHP 8.3+, now v13.35) adds an AI SDK, vector queries, JSON:API resources and attributes. CSRF middleware is renamed PreventRequestForgery and cache object unserialization is off by default.
graphql 17.0.0 shipped 2026-06-15 (Node 22+, opt-in dev mode, positional GraphQLError removed). Apollo Server 5 still peers on graphql ^16.11.0 and AS4 is EOL since 2026-01-26. Apollo Client 4 needs rxjs and moved hooks to @apollo/client/react.
@tanstack/react-query is at 5.104.1 (2026-10-02), still v5. Since 5.102.0 (2026-08-22) `queryClient.query()`/`.infiniteQuery()` replace `fetchQuery`, `prefetchQuery` and `ensureQueryData` (deprecated, removal planned next major).
Turborepo 2.11 (2026-09-18, latest 2.11.7) adds experimental Cargo/uv/Go workspaces, `devEngines.packageManager` and `turbo prune --production`. 2.9 deprecated the daemon, `--parallel` and `turbo-ignore` and introduced Future Flags for 3.0.
Current Stripe API version is 2026-09-30.endive, pinned by stripe-node 23.0.0 (2026-09-30). stripe-node 22 made the client a real ES6 class (`new Stripe()`), removed callbacks, and v23 drops Node 18.
Tauri 2.12 (2026-09-26, latest 2.12.1) drops Windows 7, raises MSRV to 1.90 and adds webview permission handling. Tauri 3 is in alpha (alpha.0 on 2026-09-13), with a pluggable runtime (wry or CEF) and MSRV 1.95. Stay on 2.x for production.
BullMQ 6 (6.0.0 on 2026-07-30, now 6.3.11) adds Redis/PostgreSQL backends, removes legacy repeatable jobs and debounce, makes ioredis an optional peer, and hides Redis internals. Migrate to Job Schedulers on v5 before upgrading.
Flutter 3.47.6 / Dart 3.13.5 is current. Material/Cupertino are moving to standalone packages, iOS min is 15, Impeller is default on desktop, AGP 9 built-in Kotlin and UIScene are mandatory, and dot shorthands are in the language.
Vitest 5.0.0 shipped 2026-09-03 (current 5.0.3). It needs Node ^22.12 and Vite >= 6.4. Mocks are cleared before each test by default, test.sequential was removed, unawaited async assertions fail, vi.mock must be top-level, and deprecated entry points were removed.
Cypress 16.0.0 shipped 2026-09-01 (current 16.1.1, 2026-09-29). It removes Cypress.env() (use cy.env()/Cypress.expose()), cy.exec() and cy.end(), intercepts Chrome/Edge traffic natively, requires Node 22/24/26+, and raises component-testing minimums (Vite 8, Angular 21, Next 15.0.4).
Redux Toolkit is at 2.13.0 (2026-09-29). Since 2025: RTK Query infinite queries (2.6), Standard Schema validation (2.7), `builder.addAsyncThunk` (2.9), Immer 11 (2.11), bundled agent skills (2.12), TS 7 support (2.13). RTK 2.0 rules still apply.
Stable Drizzle is still 0.45.x (0.45.3, 2026-09-21); 1.0 is at rc.4. v1 replaces relations()/db._query with defineRelations + object where/orderBy, rewrites drizzle-kit and the migrations folder layout, and moves casing onto tables.