v0.262.0

Summary: {meme, src=hhjs_logo, above="", below=" v0.262.0 "} Reviewed By: jbrown215, SamChou19815 Differential Revision: D70249768 ------------------------------------------------------------------------ (from 0f8abeacdeae869f7a02eb6a11f43b519d8792de) fbshipit-source-id: 5ba042d6c3d71673f53a54362b3f8512b403ab88
facebook · Feb 26, 2025 · 7b40a1c · 7b40a1c
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diff --git a/Changelog.md b/Changelog.md
@@ -1,3 +1,30 @@
+### 0.262.0
+
+Likely to cause new Flow errors:
+* Referencing `React$Component` directly will now be an error.
+* Use of `React$ComponentType`, `React$Context` and `React$RefSetter` will now trigger `internal-type` errors.
+
+New Features:
+* Added types for JSX intrinsics, which will cause new errors and show autocomplete for DOM intrinsics like `div`
+
+Notable bug fixes:
+* Replace incorrect definition for `ClientRect` and `ClientRectList` with aliases to `DOMRect` and `DOMRectList`
+This fixes the type definitions for the DOM APIs in Flow, but replacing an nonexistent globals `ClientRect` and `ClientRectList` types with just an alias to `DOMRect` and `DOMRectList`.
+* fixed a bug that caused spurious errors on rest array assignments (e.g. [try-Flow](https://flow.org/try/#1N4Igxg9gdgZglgcxALlAIwIZoKYBsD6uEEAztvhgE6UYCe+JADpdhgCYowa5kA0I2KAFcAtiRQAXSkOz9sADwxgJ+NPTbYuQ3BMnTZA+Y2yU4IwRO4A6SFBIrGVDGM7c+h46fNRLuKxJIGWh8MeT0ZfhYlCStpHzNsFBAMIQkIEQwJODAQfiEyfBE4eWw2fDgofDBMsAALfAA3KjgsXGxxZC4eAw0G-GhcWn9aY3wWZldu-g1mbGqJUoBaCRHEzrcDEgBrbAk62kXhXFxJ923d-cPRHEpTgyEoMDaqZdW7vKgoOfaSKgOKpqmDA+d4gB5fMA-P6LCCMLLQbiLOoYCqgh6-GDYRYIXYLSgkRZkCR4jpddwPfJLZjpOBkO4AX34kA0SQ0Tyo2AABIDOVRKMhOQBtYQiG4AH3spigCAAugBuAA6UEFVlVfJlnIAvEKAIzyzkAegNnIA7nBjpyoBAJJycLyoJyTJQIJR7bROSIXdglbkQA0TCQ4NAkg0AAxWABMADYdZGQPSgA)).
+* When a library definition file has changed, Flow will no longer just stop the server. Instead, Flow will properly recheck everything, even under lazy mode.
+* We now allow something of type `React.ComponentType<{}>` to be a subtype of `component()`
+
+IDE:
+* Component syntax components will now show up in document symbols
+
+Library Definitions:
+* Most of the bundled libdefs will no longer be maintained and shipped with Flow. Going forward, they should be downloaded from flow-typed. To maintain the same behavior as before, you should have a `flow-typed.config.json` in the root of your project with the following content:
+```
+{
+  "env": ["node", "dom", "bom", "intl", "cssom", "indexeddb", "serviceworkers", "webassembly"]
+}
+```
+
 ### 0.261.2
 
 Notable bug fixes:

diff --git a/flow_parser.opam b/flow_parser.opam
@@ -1,6 +1,6 @@
 opam-version: "2.0"
 name: "flow_parser"
-version: "0.261.2"
+version: "0.262.0"
 maintainer: "flow@fb.com"
 authors: ["Flow Team <flow@fb.com>"]
 homepage: "https://github.com/facebook/flow/tree/master/src/parser"

diff --git a/flowtype.opam b/flowtype.opam
@@ -1,6 +1,6 @@
 opam-version: "2.0"
 name: "flowtype"
-version: "0.261.2"
+version: "0.262.0"
 maintainer: "flow@fb.com"
 authors: "Flow Team <flow@fb.com>"
 license: "MIT"
@@ -15,7 +15,7 @@ depends: [
   "camlp-streams" {>= "5.0.1"}
   "dtoa" {>= "0.3.2"}
   "fileutils" {>= "0.6.4"}
-  "flow_parser" {= "0.261.2"}
+  "flow_parser" {= "0.262.0"}
   "inotify" {os = "linux" & >= "2.4.1"}
   "ounit2" {with-test}
   "lwt" {>= "5.7.0"}

diff --git a/packages/flow-parser-bin/package.json b/packages/flow-parser-bin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "flow-parser-bin",
-  "version": "0.261.2",
+  "version": "0.262.0",
   "description": "The Flow JavaScript parser, via bindings to the native OCaml implementation",
   "main": "index.js",
   "repository": "https://github.com/facebook/flow.git",

diff --git a/packages/flow-parser/package.json b/packages/flow-parser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "flow-parser",
-  "version": "0.261.2",
+  "version": "0.262.0",
   "description": "JavaScript parser written in OCaml. Produces ESTree AST",
   "homepage": "https://flow.org",
   "license": "MIT",

diff --git a/packages/flow-remove-types/package.json b/packages/flow-remove-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "flow-remove-types",
-  "version": "2.261.2",
+  "version": "2.262.0",
   "description": "Removes Flow type annotations from JavaScript files with speed and simplicity.",
   "author": {
     "name": "Flow Team",

diff --git a/packages/try-flow-website-js/package.json b/packages/try-flow-website-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "try-flow-website-js",
-  "version": "0.261.2",
+  "version": "0.262.0",
   "description": "An NPM package to hold compiled `flow.js` and libdefs for every Flow version.",
   "license": "MIT",
   "repository": "facebook/flow",

diff --git a/src/common/flow_version.ml b/src/common/flow_version.ml
@@ -5,4 +5,4 @@
  * LICENSE file in the root directory of this source tree.
  *)
 
-let version = "0.261.2"
+let version = "0.262.0"
diff --git a/website/docs/install.md b/website/docs/install.md
@@ -126,7 +126,7 @@ npm install --save-dev flow-bin
   "name": "my-flow-project",
   "version": "1.0.0",
   "devDependencies": {
-    "flow-bin": "^0.261.2"
+    "flow-bin": "^0.262.0"
   },
   "scripts": {
     "flow": "flow"