Add deprecation in changelog

gexgd0419 · gexgd0419 · commit 555f70f74d53 · 2025-07-27T14:58:31.000+08:00
diff --git a/user_docs/en/changes.md b/user_docs/en/changes.md
@@ -25,6 +25,12 @@ Please refer to [the developer guide](https://download.nvaccess.org/documentatio
 
 #### Deprecations
 
+* The following symbols in `synthDrivers.sapi5` are deprecated with no replacement: (#18300, @gexgd0419)
+  * `LP_c_ubyte`
+  * `LP_c_ulong`
+  * `LP__ULARGE_INTEGER`
+  * `SynthDriver.isSpeaking`
+
 ## 2025.2
 
 This release includes improvements in Windows 11, browse mode, and Microsoft Word.
