#### Features
* Support Server Components in Tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30684](https://github.com/facebook/react/pull/30684))
* feat: expose installHook with settings argument from react-devtools-core/backend ([hoxyq](https://github.com/hoxyq) in [#30987](https://github.com/facebook/react/pull/30987))
* Add Filtering of Environment Names ([sebmarkbage](https://github.com/sebmarkbage) in [#30850](https://github.com/facebook/react/pull/30850))
* Support secondary environment name when it changes ([sebmarkbage](https://github.com/sebmarkbage) in [#30842](https://github.com/facebook/react/pull/30842))
* Filter Server Components ([sebmarkbage](https://github.com/sebmarkbage) in [#30839](https://github.com/facebook/react/pull/30839))
* Make function inspection instant ([sebmarkbage](https://github.com/sebmarkbage) in [#30786](https://github.com/facebook/react/pull/30786))
* Make Functions Clickable to Jump to Definition ([sebmarkbage](https://github.com/sebmarkbage) in [#30769](https://github.com/facebook/react/pull/30769))
* Make Element Inspection Feel Snappy ([sebmarkbage](https://github.com/sebmarkbage) in [#30555](https://github.com/facebook/react/pull/30555))
* Print component stacks as error objects to get source mapping ([sebmarkbage](https://github.com/sebmarkbage) in [#30289](https://github.com/facebook/react/pull/30289))

#### Bugfixes
* Fix: profiling crashes #30661 #28838 ([EdmondChuiHW](https://github.com/EdmondChuiHW) in [#31024](https://github.com/facebook/react/pull/31024))
* chore: remove settings manager from react-devtools-core ([hoxyq](https://github.com/hoxyq) in [#30986](https://github.com/facebook/react/pull/30986))
* fix[react-devtools/extensions]: fixed tabs API calls and displaying restricted access popup ([hoxyq](https://github.com/hoxyq) in [#30825](https://github.com/facebook/react/pull/30825))
* fix[react-devtools/InspectedElement]: fixed border stylings when some of the panels are not rendered ([hoxyq](https://github.com/hoxyq) in [#30676](https://github.com/facebook/react/pull/30676))
* fix: path handling in react devtools ([Jack-Works](https://github.com/Jack-Works) in [#29199](https://github.com/facebook/react/pull/29199))

#### Other
* feat: display message if user ended up opening hook script ([hoxyq](https://github.com/hoxyq) in [#31000](https://github.com/facebook/react/pull/31000))
* refactor[react-devtools]: move console patching to global hook ([hoxyq](https://github.com/hoxyq) in [#30596](https://github.com/facebook/react/pull/30596))
* refactor[react-devtools]: initialize renderer interface early ([hoxyq](https://github.com/hoxyq) in [#30946](https://github.com/facebook/react/pull/30946))
* Use Unicode Atom Symbol instead of Atom Emoji ([sebmarkbage](https://github.com/sebmarkbage) in [#30

* chore[react-devtools/renderer]: dont show strict mode warning for prod renderer builds ([hoxyq](https://github.com/hoxyq) in [#30158](https://github.com/facebook/react/pull/30158))
* chore[react-devtools/ui]: fix strict mode badge styles ([hoxyq](https://github.com/hoxyq) in [#30159](https://github.com/facebook/react/pull/30159))
* fix[react-devtools]: restore original args when recording errors ([hoxyq](https://github.com/hoxyq) in [#30091](https://github.com/facebook/react/pull/30091))
* Read constructor name more carefully ([LoganDark](https://github.com/LoganDark) in [#29954](https://github.com/facebook/react/pull/29954))
* refactor[react-devtools/extensions]: dont debounce cleanup logic on navigation ([hoxyq](https://github.com/hoxyq) in [#30027](https://github.com/facebook/react/pull/30027))

* chore[react-devtools]: improve console arguments formatting before passing it to original console ([hoxyq](https://github.com/hoxyq) in [#29873](https://github.com/facebook/react/pull/29873))
* chore[react-devtools]: unify console patching and default to ansi escape symbols ([hoxyq](https://github.com/hoxyq) in [#29869](https://github.com/facebook/react/pull/29869))
* chore[react-devtools/extensions]: make source maps url relative ([hoxyq](https://github.com/hoxyq) in [#29886](https://github.com/facebook/react/pull/29886))
* fix[react-devtools] divided inspecting elements between inspecting do… ([vzaidman](https://github.com/vzaidman) in [#29885](https://github.com/facebook/react/pull/29885))
* fix[react-devtools] component badge in light mode is now not invisible ([vzaidman](https://github.com/vzaidman) in [#29852](https://github.com/facebook/react/pull/29852))
* fix[react-devtools] remove native inspection button when it can't be used ([vzaidman](https://github.com/vzaidman) in [#29779](https://github.com/facebook/react/pull/29779))
* chore[react-devtools]: ip => internal-ip ([hoxyq](https://github.com/hoxyq) in [#29772](https://github.com/facebook/react/pull/29772))
* Fix #29724: `ip` dependency update for CVE-2024-29415 ([Rekl0w](https://github.com/Rekl0w) in [#29725](https://github.com/facebook/react/pull/29725))
* Dim `console` calls on additional Effect invocations due to `StrictMode` ([eps1lon](https://github.com/eps1lon) in [#29007](https://github.com/facebook/react/pull/29007))
* refactor[react-devtools]: rewrite context menus ([hoxyq](https://github.com/hoxyq) in [#29049](https://github.com/facebook/react/pull/29049))

* Look for a ReactMemoCacheSentinel on state ([gsathya](https://github.com/gsathya) in [#28831](https://github.com/facebook/react/pull/28831))
* feat[devtools]: add method for connecting backend with custom messaging protocol ([hoxyq](https://github.com/hoxyq) in [#28552](https://github.com/facebook/react/pull/28552))
* feat[devtools]: ship source maps for content scripts and ignore list installHook script ([hoxyq](https://github.com/hoxyq) in [#28730](https://github.com/facebook/react/pull/28730))
* Devtools: Display actual pending state when inspecting `useTransition` ([eps1lon](https://github.com/eps1lon) in [#28499](https://github.com/facebook/react/pull/28499))

### 5.0.2
March 5, 2024

* feat[devtools]: symbolicate source for inspected element ([hoxyq](https://github.com/hoxyq) in [#28471](https://github.com/facebook/react/pull/28471))
* refactor[devtools]: lazily define source for fiber based on component stacks ([hoxyq](https://github.com/hoxyq) in [#28351](https://github.com/facebook/react/pull/28351))
* fix[devtools/tree/element]: onClick -> onMouseDown to handle first click correctly ([hoxyq](https://github.com/hoxyq) in [#28486](https://github.com/facebook/react/pull/28486))
* Devtools: Unwrap Promise in useFormState ([eps1lon](https://github.com/eps1lon) in [#28319](https://github.com/facebook/react/pull/28319))
* Include server component names in the componentStack in DEV ([sebmarkbage](https://github.com/sebmarkbage) in [#28415](https://github.com/facebook/react/pull/28415))

---

### 5.0.1
February 22, 2024

* feature[REMOVED][devtools]: turn off / hide location based component filters ([hoxyq](https://github.com/hoxyq) in [#28417](https://github.com/facebook/react/pull/28417))
* Add useSyncExternalStore and useTransition to getPrimitiveStackCache ([jamesbvaughan](https://github.com/jamesbvaughan) in [#28399](https://github.com/facebook/react/pull/28399))
* chore[devtools]: use react-window from npm and bump react-virtualized-auto-sizer to ^1.0.23 ([hoxyq](https://github.com/hoxyq) in [#28408](https://github.com/facebook/react/pull/28408))
* [Debug Tools] Always use includeHooksSource option ([sebmarkbage](https://github.com/sebmarkbage) in [#28309](https://github.com/facebook/react/pull/28309))
* [Debug Tools] Introspect Promises in use() ([sebmarkbage](https://github.com/sebmarkbage) in [#28297](https://github.com/facebook/react/pull/28297))
* fix[devtools/useModalDismissSignal]: use getRootNode for shadow root case support ([hoxyq](https://github.com/hoxyq) in [#28145](https://github.com/facebook/react/pull/28145))
* DevTools: Add support for use(Context) ([eps1lon](https://github.com/eps1lon) in [#28233](https://github.com/facebook/react/pull/28233))
* Patch devtools before running useMemo function in strict mode ([gsathya](https://github.com/gsathya) in [#28249](https://github.com/facebook/react/pull/28249))
* DevTools: Add support for useFormState ([eps1lon](https://github.com/eps1lon) in [#28232](https://github.com/facebook/react/pull/28232))
* DevTools: Add support for useOptimistic Hook ([eps1lon](https://github.com/eps1lon) in [#27982](https://github.com/facebook/react/pull/27982))

### Features
* feat[devtools]: display Forget badge for the relevant components ([hoxyq](https://github.com/hoxyq) in [#27709](https://github.com/facebook/react/pull/27709))

### Other
* Added windows powershell syntax to build scripts ([PrathamLalwani](https://github.com/PrathamLalwani) in [#27692](https://github.com/facebook/react/pull/27692))
* refactor[react-devtools-shared]: minor parsing improvements and modifications ([hoxyq](https://github.com/hoxyq) in [#27661](https://github.com/facebook/react/pull/27661))

#### Bugfixes
* fix[devtools/useMemoCache]: add stub for useMemoCache in ReactDebugHook ([hoxyq](https://github.com/hoxyq) in [#27472](https://github.com/facebook/react/pull/27472))
* refactor[react-devtools-extensions]: use globals to eliminate dead code ([hoxyq](https://github.com/hoxyq) in [#27516](https://github.com/facebook/react/pull/27516))
* fix[devtools/inspectElement]: dont pause initial inspectElement call when user switches tabs ([hoxyq](https://github.com/hoxyq) in [#27488](https://github.com/facebook/react/pull/27488))

#### Features
* feat:-Added a delete all filters action and added title to the add filter a… ([Biki-das](https://github.com/Biki-das) in [#27332](https://github.com/facebook/react/pull/27332))
* feat[devtools/extension]: add dark theme for popup ([rakleed](https://github.com/rakleed) in [#27330](https://github.com/facebook/react/pull/27330))

#### Bugfixes
* refactor[devtools/extension]: refactored messaging logic across different parts of the extension ([hoxyq](https://github.com/hoxyq) in [#27417](https://github.com/facebook/react/pull/27417))
* fix[devtools/extension]: added a workaround for proxy content script injection in firefox ([hoxyq](https://github.com/hoxyq) in [#27375](https://github.com/facebook/react/pull/27375))
* fix[devtools/useTransition]: don't check for dispatch property when determining if hook is stateful ([hoxyq](https://github.com/hoxyq) in [#27365](https://github.com/facebook/react/pull/27365))
* feat[devtools/extension]: show disclaimer when page doesnt run react and refactor react polling logic ([hoxyq](https://github.com/hoxyq) in [#27373](https://github.com/facebook/react/pull/27373))
* fix[devtools/extension]: unregister dynamically injected content scripts instead of filtering ([hoxyq](https://github.com/hoxyq) in [#27369](https://github.com/facebook/react/pull/27369))
* refactor[devtools/extension]: more stable element updates polling to avoid timed out errors ([hoxyq](https://github.com/hoxyq) in [#27357](https://github.com/facebook/react/pull/27357))

#### Bugfixes
* Fixed duplicated backend activation with multiple renderers ([hoxyq](https://github.com/hoxyq) in [#26807](https://github.com/facebook/react/pull/26807))

Bug fix: https://github.com/facebook/react/pull/25832

4.27.0
November 28, 2022

Features
Add SyncHydrationLane (tyao1 in #25698 #25711)
add support for HostSingleton & HostResource (mondaychen in #25616)
[react devtools] Device storage support (rbalicki2 in #25452)
upgrade to Manifest V3 (mondaychen in #25145)
Bugfixes
bug fix for Hydrating fibers (mondaychen in #25663)

Timeline Profiler Sidebar with component tree (lunaruan and blakef in #24816, #24815, #24814, #24805, #24776)
[DevTools][Bugfix] Fix DevTools Perf Issue When Unmounting Large React Subtrees (lunaruan in #24863)
Enable "reload & profile" button for timeline view (mondaychen in #24702)
Find best renderer when inspecting app with mutilple react roots (mondaychen in #24665)
Only polyfill requestAnimationFrame when necessary (mondaychen in #24651)

4.24.6
May 12, 2022

fix a bug in console.log with non-string args (mondaychen in #24546)
Add Pragma to Only Run Tests if Version Requirement Satisfied (lunaruan in #24533)
[DevTools][Bug] Fix Race Condition When Unmounting Fibers (lunaruan in #24510)
[React DevTools] Improve DevTools UI when Inspecting a user Component that Throws an Error (mondaychen in #24248)
4.24.5
May 5, 2022

Fixed potential undefined error in TreeContext reducer (bvaughn in #24501)
Fix error where Profiler sometimes incorrectlyed reported that a forwardRef did not render (lunaruan in #24494)
Fix regex for formateWithStyles function (lunaruan in #24486)
Fixed wrong method call for LRU cache (bvaughn in #24477)
Synchronize implementations of second render logging (billyjanitsch in #24381)
Don't stringify objects for console log second render (lunaruan in #24373)
4.24.4
April 8, 2022

Allow react-devtools-inline createStore() method to override Store config params (bvaughn in #24303)
[ReactDebugTools] wrap uncaught error from rendering user's component (mondaychen in #24216)
4.24.3
March 29, 2022

Bugfix
Profiler should only report stateful hooks that change between renders (bvaughn in #24189)
Ignore duplicate welcome "message" events (bvaughn in #24186)
Attach DevTools Tree keyboard events to the Tree container (not the document) (bvaughn in #24164)
4.24.2
March 24, 2022

Bugfix
Show upgrade/downgrade instructions inline for errors thrown by the Store due to incompatible protocol (mismatched backend and frontend versions) (bvaughn in #24147)
Inspecting an element in a nested renderer no longer throws (lunaruan in #24116)
4.24.1
March 15, 2022

Bugfix
Disable unsupported Bridge protocol version dialog and add workaround for old protocol operations format (bvaughn in #24093)

Feature:
* Show DevTools backend and frontend versions in UI (bvaughn in #23399)
* Timeline profiler refactored to support reading basic profiling data directly from React (bvaughn in #22529)

Bugfix:
* Better handle undefined Error stacks in DevTools error boundary (bvaughn in #24065)
* Fixed edge case bug in Profiler commit filtering (bvaughn in #24031)
* Gracefully handle empty "xstyle" prop values (lunaruan in #23279 and bvaughn in #23190)
* Add <TracingMarker> component boilerplate (lunaruan in #23275)

Misc:
* Remove object-assign polyfill (sebmarkbage in #23351)

### Feature
* DevTools: Only show StrictMode badge on root elements ([bvaughn](https://github.com/bvaughn) in [#23012](https://github.com/facebook/react/pull/23012))

#### Bugfix
* Don't crawl unmounted subtrees when profiling starts ([bvaughn](https://github.com/bvaughn) in [#23162](https://github.com/facebook/react/pull/23162))
* Filter deleted components from the updaters list to avoid runtime errors later ([lunaruan](https://github.com/lunaruan) in [#23156](https://github.com/facebook/react/pull/23156))

#### Misc
* DevTools (not React) logs Timeline performance data to the User Timing API ([bvaughn](https://github.com/bvaughn) in [#23102](https://github.com/facebook/react/pull/23102))

Features:
* Support multiple DevTools instances per page (@bvaughn in #22949)
* Advocate for StrictMode usage within Components tree (@bvaughn in #22886)
* StyleX plug-in for resolving atomic styles to values for props.xstyle (@bvaughn in #22808)
* Timeline search (@bvaughn in #22799)
* Add test selectors to experimental build (@bvaughn in #22760)
* Timeline: Improved snapshot view (@bvaughn in #22706)
* Display root type for root updates in "what caused this update?" (@eps1lon in #22599)
* Add open in editor for fb (@ezzak in #22649)

Bugfix:
* DevTools should inject itself for XHTML pages too (not just HTML) (@bvaughn in #22932)
* Don't restore profiling data if we're profling (@eps1lon in #22753)
* DevTools should properly report re-renders due to (use)context changes (@bvaughn in #22746)
* Filter empty commits (all Fibers bailed out) from Profiler (@bvaughn in #22745)
* Accept json file in import fileinput (@jyash97 in #22717)
* Expose css vars to reach-ui portal components (@jyash97 in #22716)
* Fix DevTools advanced tooltip display conditional check (@bvaughn in #22669)

Misc:
* Internally log errors occurring or reported to the frontend (@jstejada in #22948)
* Emit new event when DevTools connects in standalone app (@jstejada in #22848)
* DevTools: Log version in internal logger (@jstejada in #22825)
* Proof of Concept for E2E tests using playwright (@akgupta0777 in #22754)
* Add internal link to Scheduling Profiler (@bvaughn in #22730)

## 4.21.0 (October 31, 2021)

#### Features
* Scheduling Profiler: Add marks for component effects (mount and unmount) ([@bvaughn](https://github.com/bvaughn) in [#22578](https://github.com/facebook/react/pull/22578))
* Scheduling Profiler: De-emphasize React internal frames ([bvaughn](https://github.com/bvaughn) in [#22588](https://github.com/facebook/react/pull/22588))


#### Bugfix
* Revert logic for checking for duplicate installations of DevTools potentially causing issues loading Components tab ([@jstejada](https://github.com/jstejada) in [#22638](https://github.com/facebook/react/pull/22638))
* Scheduling Profiler does not warn about long transitions ([@bvaughn](https://github.com/bvaughn) in [#22614](https://github.com/facebook/react/pull/22614))
* Re-enable 'Reload and Start Profiling' for Microsoft Edge ([@eoandersson](https://github.com/eoandersson) in [#22631](https://github.com/facebook/react/pull/22631))


#### Misc
* DevTools supports ENV-injected version for better internal bug reports ([@bvaughn](https://github.com/bvaughn) in [#22635](https://github.com/facebook/react/pull/22635))
* Fix typos ([@KonstHardy](https://github.com/KonstHardy) in [#22494](https://github.com/facebook/react/pull/22494))

## 4.20.2 (October 20, 2021)

#### Bugfix
* Dev Tools: Relax constraint on passing extensionId for backend init ([@jstejada](https://github.com/jstejada) in [#22597](https://github.com/facebook/react/pull/22597))
* DevTools: Fix passing extensionId in evaled postMessage calls ([@jstejada](https://github.com/jstejada) in [#22590](https://github.com/facebook/react/pull/22590))

## 4.20.1 (October 19, 2021)

#### Bugfix
* Only show DevTools warning about unrecognized build in Chrome ([@jstejada](https://github.com/jstejada) in [#22571](https://github.com/facebook/react/pull/22571))
* DevTools: Include Edge in browser name detection ([@jstejada](https://github.com/jstejada) in [#22584](https://github.com/facebook/react/pull/22584))

## 4.20.0 (October 15, 2021)

#### Features
* Allow to use the Profiler when no client is connected in standalone DevTools ([@gabrieltrompiz](https://github.com/gabrieltrompiz) in [#22551](https://github.com/facebook/react/pull/22551))

#### Bugfix
* Surface backend errors during inspection in the frontend UI ([@bvaughn](https://github.com/bvaughn) in [#22546](https://github.com/facebook/react/pull/22546))
* Prevent splash page in standalone app from becoming unresponsive after the disconnection of a client (#22558) ([@gabrieltrompiz](https://github.com/gabrieltrompiz) in [#22560](https://github.com/facebook/react/pull/22560))
* Prevent errors/crashing when multiple installs of DevTools are present ([@jstejada](https://github.com/jstejada) in [#22517](https://github.com/facebook/react/pull/22517))
* Update Fiber logic in backend renderer to match implementation in React ([@jstejada](https://github.com/jstejada) in [#22527](https://github.com/facebook/react/pull/22527))

#### Misc
* Show warning in UI when duplicate installations of DevTools extension are detected ([@jstejada](https://github.com/jstejada) in [#22563](https://github.com/facebook/react/pull/22563))
* Improved filenames of built worker files ([@akgupta0777](https://github.com/akgupta0777) in [#22559](https://github.com/facebook/react/pull/22559))

Bugfix
* Show different error boundary UI for timeouts than normal errors (bvaughn in #22483)
* Fixed bug where deleting a component filter would also close the settings modal (Biki-das in #22484)

* Fixed potential cache miss when insepecting elements (https://github.com/facebook/react/pull/22472)

## 4.19.0 (September 29, 2021)

#### Features
* Scheduling Profiler: Show Suspense resource .displayName ([bvaughn](https://github.com/bvaughn) in [#22451](https://github.com/facebook/react/pull/22451))
* Scheduling Profiler marks should include thrown Errors ([bvaughn](https://github.com/bvaughn) in [#22419](https://github.com/facebook/react/pull/22419))
* Don't patch console during first render in strict mode ([lunaruan](https://github.com/lunaruan) in [#22308](https://github.com/facebook/react/pull/22308))
* Show which hook indicies changed when profiling for all builds ([bvaughn](https://github.com/bvaughn) in [#22365](https://github.com/facebook/react/pull/22365))
* Display actual ReactDOM API name in root type ([eps1lon](https://github.com/eps1lon) in [#22363](https://github.com/facebook/react/pull/22363))
* Add named hooks support to standalone and inline DevTools ([jstejada](https://github.com/jstejada) in [#22320](https://github.com/facebook/react/pull/22320) and [bvaughn](https://github.com/bvaughn) in [#22263](https://github.com/facebook/react/pull/22263))
#### Bugfix
* DevTools encoding supports multibyte characters (e.g. "🟩") ([bvaughn](https://github.com/bvaughn) in [#22424](https://github.com/facebook/react/pull/22424))
* Improve DEV errors if string coercion throws (Temporal.*, Symbol, etc.) ([justingrant](https://github.com/justingrant) in [#22064](https://github.com/facebook/react/pull/22064))
* Fix memory leak caused by not storing alternate Fiber pointer ([bvaughn](https://github.com/bvaughn) in [#22346](https://github.com/facebook/react/pull/22346))
* Fix call stack exceeded error in `utfDecodeString()` ([bvaughn](https://github.com/bvaughn) in [#22330](https://github.com/facebook/react/pull/22330))
* Fix runtime error when inspecting an element times out ([jstejada](https://github.com/jstejada) in [#22329](https://github.com/facebook/react/pull/22329))

#### Performance
* DevTools: Lazily parse indexed map sections ([bvaughn](https://github.com/bvaughn) in [#22415](https://github.com/facebook/react/pull/22415))
* DevTools: Hook names optimizations ([bvaughn](https://github.com/bvaughn) in [#22403](https://github.com/facebook/react/pull/22403))
* Replaced `network.onRequestFinished()` caching with `network.getHAR()` ([bvaughn](https://github.com/bvaughn) in [#22285](https://github.com/facebook/react/pull/22285))

## 4.18.0 (September 1, 2021)

#### Features
* DevTools: Improve named hooks network caching ([bvaughn](https://github.com/bvaughn) in [#22198](https://github.com/facebook/react/pull/22198))
* Console Logging for StrictMode Double Rendering ([lunaruan](https://github.com/lunaruan) in [#22030](https://github.com/facebook/react/pull/22030))

### Bugfix
* Fix react-devtools-inline size issues ([lunaruan](https://github.com/lunaruan) in [#22232](https://github.com/facebook/react/pull/22232))
* devtools: Don't display hook index of useContext ([eps1lon](https://github.com/eps1lon) in [#22200](https://github.com/facebook/react/pull/22200))
* Throw error in console without interfering with logs ([lunaruan](https://github.com/lunaruan) in [#22175](https://github.com/facebook/react/pull/22175))

Features
* Scheduling Profiler: Add network measures (bvaughn in #22112)
* Add options for disabling some features (hbenl in #22136)

Bugfix
* Fixed broken scroll-to error or warning feature (bvaughn and eps1lon in #22147 and #22144)
* Replaced WeakMap with LRU for inspected element cache (bvaughn in #22160)
* Add more detailed error handling if profiling data does not have any React marks (byronluk in #22157)
* Various named hooks bug fixes (jstejada in #22129, #22128, #22096, and #22148)
* Fix tooltip wheel event regression (bvaughn in #22130)
* Replace source-map library with source-map-js for named hooks source map parsing (bvaughn in #22126)