Docs: Highlight that Windows ARM64 support is experimental

docs/src/content/docs/api-output.md

@@ -626,6 +626,9 @@ Use these AVIF options for output image.
 AVIF image sequences are not supported.
 Prebuilt binaries support a bitdepth of 8 only.
 
+This feature is experimental on the Windows ARM64 platform
+and requires a CPU with ARM64v8.4 or later.
+
 
 **Throws**:
 

docs/src/content/docs/changelog.md

@@ -15,7 +15,7 @@ Requires libvips v8.16.1
   [#4207](https://github.com/lovell/sharp/pull/4207)
   [#4398](https://github.com/lovell/sharp/issues/4398)
 
-* Add support for prebuilt Windows ARM64 binaries.
+* Add experimental support for prebuilt Windows ARM64 binaries.
   [#4375](https://github.com/lovell/sharp/pull/4375)
   [@hans00](https://github.com/hans00)
 

docs/src/content/docs/install.md

@@ -53,7 +53,7 @@ Ready-compiled sharp and libvips binaries are provided for use on the most commo
 * Linux x64 (glibc >= 2.26, musl >= 1.2.2, CPU with SSE4.2)
 * Windows x64
 * Windows x86
-* Windows ARM64
+* Windows ARM64 (experimental, CPU with ARMv8.4 required for all features)
 
 This provides support for the
 JPEG, PNG, WebP, AVIF (limited to 8-bit depth), TIFF, GIF and SVG (input) image formats.

lib/output.js

@@ -1019,6 +1019,9 @@ function tiff (options) {
  * AVIF image sequences are not supported.
  * Prebuilt binaries support a bitdepth of 8 only.
  *
+ * This feature is experimental on the Windows ARM64 platform
+ * and requires a CPU with ARM64v8.4 or later.
+ *
  * @example
  * const data = await sharp(input)
  *   .avif({ effort: 2 })