v0.251.0

Summary: Release v0.251.0 Reviewed By: SamChou19815 Differential Revision: D65091648 fbshipit-source-id: 9ab10f64084042daaccb867369a6e4c64126b893
facebook · Oct 29, 2024 · bae7dcb · bae7dcb
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diff --git a/Changelog.md b/Changelog.md
@@ -1,3 +1,20 @@
+### 0.251.0
+
+Likely to cause new Flow errors:
+* Remove the deprecated `React.AbstractComponent` type. We recommend replacing them with [component types](https://flow.org/en/docs/react/component-types/). Since v0.249.0, we have provided a codemod via the `flow-upgrade` package to aid larger codebases with this conversion: `yarn run flow-codemod eliminateAbstractComponent path/to/src`.
+* In addition to the removal of `React.AbstractComponent` type, we also removed support for the internal `React$AbstractComponent` when more than 1 type argument has been passed. Similarly, you should migrate to use component types if you want to specify ref props and renders.
+
+New Features:
+* We now support a new way to easily specify library definitions for npm modules. For all files in `@flowtyped` directory at the root, they can be resolved by the relative path without leading `./` relative to `@flowtyped`. e.g. `<PROJECT_ROOT>/@flowtyped/react.js.flow` can be used to type the `react` package, and `<PROJECT_ROOT>/@flowtyped/react/jsx-runtime.js.flow` can be used to type `react/jsx-runtime` module. We now recommend using this approach instead of using `declare module` in global libdef.
+
+Notable bug fixes:
+* `any` will now correctly propagate to inferred render type. [example](https://flow.org/try/#1N4Igxg9gdgZglgcxALlAIwIZoKYBsD6uEEAztvhgE6UYCe+JADpdhgCYowa5kA0I2KAFcAtiRQAXSkOz9sADwxgJ+NPTbYuQ3BMnTZA+Y2yU4IwRO4A6SFBIrGVDGM7c+h46fNRLuKxJIGWh8MeT0ZfhYlCStpHzNsFBAMIQkIEQwJODAQfiEyfBE4eWw2fDgofDBMsAALfAA3KjgsXGxxZC4eAw0G-GhcWn9aY3wWZldu-g1mbGqJUoBaCRHEzrcDEgBrbAk62kXhXFxJ923d-cPRHEpTgyEoMDaqZdW7vKgoOfaSKgOKpqmDA+d4gB5fMA-P6LCCMLLQbiLOoYCqgh6-GDYRYIXYLSgkRZkCR4jpddwPfJLZjpOBkO4AX34kA0SQAOhINE8qNgAAQwB7KODQHkAJUEGnxAEEoLQABQASmQPOBtAA3KyoJzcNy+QL4VAeQopNExZqTCQADwipVi6JWAByEA0AD5ZWAlZARIxoBZZSwYAB+G2sZQAEjFMAAyriTBaiiU2M7eDyrKnsF6VvKeSwzfjRYrRerHtB7Ib5MblKVpbRTRKeQBeMsViS182y1tSmXy1U8gD0vZ5swaQvygx5DwltnsNAqpWTUAgAHceRAthqjTRK2xqx3lSRDRm1X2B6ulSqeQA-Z0HuG0DW5EANc1CqBJBoABisACYAKyf98gPSQA).
+* Fixed a bug with regard to jsx type inference with generic callable objects. [example](https://flow.org/try/#1N4Igxg9gdgZglgcxALlAIwIZoKYBsD6uEEAztvhgE6UYCe+JADpdhgCYowa5kA0I2KAFcAtiRQAXSkOz9sADwxgJ+NPTbYuQ3BMnTZA+Y2yU4IwRO4A6SFBIrGVDGM7c+h46fNRLuKxJIGWh8MeT0ZfhYlCStpHzNsFBAMIQkIEQwJODAQfiEyfBE4eWw2fDgofDBMsAALfAA3KjgsXGxxZC4eAw0G-GhcWn9aY3wWZldu-g1mbGqJUoBaCRHEzrcDEgBrbAk62kXhXFxJ923d-cPRHEpTgyEoMDaqZdW7vKgoOfaSKgOKpqmDA+d4gB5fMA-P6LCCMLLQbiLOoYCqgh6-GDYRYIXYLSgkRZkCR4jpddwPfJLZjpOBkO4AX34kA0SQ0Tyo2AABLZ7JyAAoQQYAeWQnOAAB0oJzpZyADwAFQAfAAKamMEii4AwYii+W8TkwKCi5XygCUnIAvIrOQ0IHA2PTTaKAEqsZRWAByEA0vEl9IA3JK2bgOdzoLyBYMAGJGuVK1WUWEasXaiC6-WG41my3W232x05zmu6Ke73YQNQSWyyO0IUG4gW4AAZnpBqgjeVDXNVrFDU5GBInPspigCH9nIA9AAqIe1CDaNickyJyic6DcgcSfWzBpweckQZrqV9xw0EScqcTzn01sTxUV6uC2gx+sQRsttsdruF4B9gdDqQKjHScZxIOcFyXagIFXddql5S9r1ve9JVyEAGhMEg9ygJIMnsEwQHpIA)
+* Fixed a soundness hole that allowed frozen objects to be incompatible with non-readonly objects. This [example](https://flow.org/try/#1N4Igxg9gdgZglgcxALlAIwIZoKYBsD6uEEAztvhgE6UYCe+JADpdhgCYowa5kA0I2KAFcAtiRQAXSkOz9sADwxgJ+NPTbYuQ3BMnTZA+Y2yU4IwRO4A6SFBIrGVDGM7c+h46fNRLuKxJIGWh8MeT0ZfhYlCStpHzNsFBAMIQkIEQwJODAQfiEyfBE4eWw2fDgofDBMsAALfAA3KjgsXGxxZC4eAw0G-GhcWn9aY3wWZldu-g1mbGqJUoBaCRHEzrcDEgBrbAk62kXhXFxJ923d-cPRHEpTgyEoMDaqZdW7vKgoOfaSKgOKpqmDA+d4gB5fMA-P6LCCMLLQbiLOoYCqgh6-GDYRYIXYLSgkRZkCR4jpddwPfJLZjpOBkO4AX34kA0SVs9gABDBKBAAF6CADyaAAVnMJOyALzswUi5RWLnYbB8gAUwBgyHZABYAEz0gCUAG4ADqPaAckSpVrYaWi9Wq9XCEQ3dkAH3Z9lMUAQ9IlnO5fKg1uU+vZAHoQ+yAO5wY7sqAQCPsnDs4HskzcyjG82WNBtQMxGA+w0gYiMEhF-W5EANEwkODQJINAAMVi1GoAHFYAIwgelAA) will now produce an error.
+
+Library Definitions:
+* We have updated some core React type definitions to use the new [component type](https://flow.org/en/docs/react/component-types/) instead of `React.AbstractComponent`. Most of the code won't be affected, but you might have to sometimes make the Props readonly.
+
 ### 0.250.0
 
 Likely to cause new Flow errors:

diff --git a/flow_parser.opam b/flow_parser.opam
@@ -1,6 +1,6 @@
 opam-version: "2.0"
 name: "flow_parser"
-version: "0.250.0"
+version: "0.251.0"
 maintainer: "[email protected]"
 authors: ["Flow Team <[email protected]>"]
 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: "0.250.0"
+version: "0.251.0"
 maintainer: "[email protected]"
 authors: "Flow Team <[email protected]>"
 license: "MIT"
@@ -15,7 +15,7 @@ depends: [
   "camlp-streams" {>= "5.0.1"}
   "dtoa" {>= "0.3.2"}
   "fileutils" {>= "0.6.4"}
-  "flow_parser" {= "0.250.0"}
+  "flow_parser" {= "0.251.0"}
   "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": "0.250.0",
+  "version": "0.251.0",
   "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": "0.250.0",
+  "version": "0.251.0",
   "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": "2.250.0",
+  "version": "2.251.0",
   "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": "0.250.0",
+  "version": "0.251.0",
   "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 = "0.250.0"
+let version = "0.251.0"
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": "^0.250.0"
+    "flow-bin": "^0.251.0"
   },
   "scripts": {
     "flow": "flow"