Radar — January 2026
Selected release notes for 2026-01-01 → 2026-02-01. The version links lead to the full release notes.
React
19.2.4 / 19.1.5 / 19.0.4 — Jan 26, 2026
- ⚠ Security patches across all three release lines — more DoS mitigations for Server Actions and hardened Server Components. Worth updating even if you’re pinned to an older minor (19.1.5, 19.0.4).
Node.js
v25.5.0 — Jan 26, 2026
fs.watchgets anignoreoption — skip paths without hand-rolled filtering in the watcher callback.--build-seagenerates single-executable applications directly with the Node binary.- SQLite: defensive mode enabled by default, and
prepareaccepts options.
v25.4.0 — Jan 19, 2026
require(esm)is now stable.- New
http.setGlobalProxyFromEnv— proxy configuration from env vars without an agent package. - New
--require-module/--no-require-moduleCLI flags;events.listenerCountnow accepts EventTargets.
v25.3.0 — Jan 13, 2026
- ⚠ Security release across all lines (7 CVEs) — TLS socket default error
handler, stricter symlink permission checks,
async_hooksstack-overflow handling. Same patches shipped to 24.13.0, 22.22.0, and 20.20.0 LTS.
CSS / Web platform
v3.14.0 — Jan 19, 2026
- The
display-grid-lanesandgrid-lanesfeature IDs now redirect tomasonry. - New tracked features:
view-transitions-element-scoped,iterator-concat,Atomics.pause,Map.getOrInsert.
v3.13.0 — Jan 7, 2026
- Permissions Policy and the legacy Feature Policy are now tracked as separate features — useful when auditing which header syntax you can rely on.
Browsers
v7.2.5 — Jan 23, 2026
- New compat data:
<input type="switch">, the CSSrandom()type, thedisplay-modemedia feature values (browser,fullscreen,standalone, …),ShadowRoot.referenceTarget— plus Edge 147.
v7.2.4 — Jan 15, 2026
document.startViewTransitionoptions parameter (types/update) and the newOriginAPI (Origin.from,isSameOrigin) enter the data.
Storybook
v10.2.0 — Jan 21, 2026
- New Viewports and Zoom UI.
- Typesafe CSF factories for Vue, Angular, and Web Components (preview).
- MDX support for Storybook MCP (experimental) + MDX manifest generation in Addon-Docs.
Material UI
v7.3.7 — Jan 8, 2026
- Migration signals ahead of v9:
TransitionProps→slotProps.transitionon Dialog,TransitionComponent→slots.transitionon Snackbar. - NumberField now uses the stable Base UI package.
Jotai
v2.17.0 — Jan 28, 2026
- ⚠
unstable_onInitremoved, and two deprecations to plan around: theloadableutil andsetSelfin the atom read function.
Axios
v1.13.3 — Jan 20, 2026
AxiosRequestConfigacceptsundefinedvalues, compatibility with frozen prototypes, and better IntelliSense for string literals in widened unions.
Konva
10.2.0 — Jan 15, 2026
rotateAnchorAngleon Transformer — customizable rotation-anchor position.
10.1.0 — Jan 14, 2026
- Optional
nodesarray inTransformerConfig; text gets an underline-offset option; shared proto-listener performance optimized.
PostHog JS
posthog-js@1.331.0 — Jan 19, 2026
- ⚠
posthog.initoptionevaluationEnvironmentsis deprecated in favor ofevaluationContexts— removal planned for a future major.
Sentry JS
10.37.0 — Jan 27, 2026
- New
Sentry.setConversationIdAPI to track multi-turn AI conversations; TanStack Start global middleware auto-instrumented by the Vite plugin.
10.36.0 — Jan 21, 2026
- Prisma v7 support in the Node SDK.
10.35.0 — Jan 19, 2026
- New
sentryTanstackStartVite plugin manages automatic source-map uploads; Cloudflare release id set automatically fromCF_VERSION_METADATA.
10.33.0 — Jan 12, 2026
- Vercel AI SDK v6 support; scope attributes now apply to metrics; DSNs accept IPv6 hosts.
Playwright
v1.58.0 — Jan 23, 2026
- UI mode: a ‘system’ theme option, Cmd/Ctrl+F search in code editors, and a reorganized network panel with auto-formatted JSON responses.
- ⚠ Removed: the
_react/_vueselectors, the:lightselector suffix, thedevtoolslaunch option, and WebKit on macOS 13.
Vitest
v4.0.17 — Jan 12, 2026
- OpenTelemetry support for browser mode, plus
TRACEPARENT/TRACESTATEenv vars for context propagation.
Turborepo
v2.7.5 — Jan 17, 2026
- Optional
descriptionfield on task definitions in turbo.json; newdocssubcommand searches the documentation from the CLI.
v2.7.4 — Jan 11, 2026
- Git worktree support.
TanStack Router
v1.155.0 — Jan 23, 2026
- Router-core performance: pre-compiled regex decoder in
interpolatePath, regex-freeparseSegment; new eslint rule checks route param names.
v1.152.0 — Jan 18, 2026
- Custom
fetchimplementation for server functions — configurable viacreateStartsince v1.153.0.
v1.150.0 — Jan 14, 2026
- New
Route.redirectandgetRouteApi.redirect.
v1.146.0 — Jan 8, 2026
- Params are now validated while matching.