React DevTools 4.20.2 -> 4.21.0 (#22661)

packages/react-devtools-core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-devtools-core",
-  "version": "4.20.2",
+  "version": "4.21.0",
   "description": "Use react-devtools outside of the browser",
   "license": "MIT",
   "main": "./dist/backend.js",

packages/react-devtools-extensions/chrome/manifest.json

@@ -2,8 +2,8 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Chrome Developer Tools.",
-  "version": "4.20.2",
-  "version_name": "4.20.2",
+  "version": "4.21.0",
+  "version_name": "4.21.0",
   "minimum_chrome_version": "60",
   "icons": {
     "16": "icons/16-production.png",

packages/react-devtools-extensions/edge/manifest.json

@@ -2,8 +2,8 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Microsoft Edge Developer Tools.",
-  "version": "4.20.2",
-  "version_name": "4.20.2",
+  "version": "4.21.0",
+  "version_name": "4.21.0",
   "minimum_chrome_version": "60",
   "icons": {
     "16": "icons/16-production.png",

packages/react-devtools-extensions/firefox/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "React Developer Tools",
   "description": "Adds React debugging tools to the Firefox Developer Tools.",
-  "version": "4.20.2",
+  "version": "4.21.0",
   "applications": {
     "gecko": {
       "id": "@react-devtools",

packages/react-devtools-inline/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-devtools-inline",
-  "version": "4.20.2",
+  "version": "4.21.0",
   "description": "Embed react-devtools within a website",
   "license": "MIT",
   "main": "./dist/backend.js",

packages/react-devtools-scheduling-profiler/package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "react-devtools-scheduling-profiler",
-  "version": "4.20.2",
+  "version": "4.21.0",
   "license": "MIT",
   "dependencies": {
     "@elg/speedscope": "1.9.0-a6f84db",

packages/react-devtools/CHANGELOG.md

@@ -2,6 +2,23 @@
 
 <!-- RELEASE_SCRIPT_TOKEN -->
 
+## 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

packages/react-devtools/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-devtools",
-  "version": "4.20.2",
+  "version": "4.21.0",
   "description": "Use react-devtools outside of the browser",
   "license": "MIT",
   "repository": {
@@ -27,7 +27,7 @@
     "electron": "^11.1.0",
     "ip": "^1.1.4",
     "minimist": "^1.2.3",
-    "react-devtools-core": "4.20.2",
+    "react-devtools-core": "4.21.0",
     "update-notifier": "^2.1.0"
   }
 }