Update ChangeLog

Author: ann0see

ChangeLog

@@ -1,8 +1,60 @@
 ### 3.12.1dev <- NOTE: the release version number will be 4.0.0 ###
 
+- Optimize Images (#3539).
+  (contributed by @ann0see)
+
+- Added uncompressed audio transmission - dedicated to the memory of Hans Petter Selasky (1982 - 2023) (#3653).
+  (contributed by @dingodoppelt)
+
+- Internals: fix deprecation warnings in threadpool.h for C++17 onwards (#3681).
+  (contributed by @softins)
+
+- Make server version string searchable (#3693).
+  (contributed by @dingodoppelt)
+
+- Introduce Directory Server in Asia. This replaces Any Genre 3. Asian/Australian users should from now on use Any Genre Asia (#3697).
+  (contributed by @ann0see)
+
+- Move internal domains from jamulus.io to jamulus.app as .io domains have an unclear future (#3701).
+  (contributed by @ann0see)
+
+- Updated copyright to incorporate AGPL3.0+ (#3712).
+  (contributed by @pljones)
+
+- Bugfix: Provide a working location for famfamfam flags (#3722).
+  (contributed by @pljones)
+
+- Request and receive server features by connection-less message (#3727).
+  (contributed by @pljones)
+
+- Bugfix: Fix memory leak for audio alerts (#3728).
+  (contributed by @ann0see)
+
+- Refactor server chat handling by extracting methods (#3741).
+  (contributed by @dingodoppelt)
+
 - Add uncompressed audio transmission - dedicated to the memory of Hans Petter Selasky (1982 - 2023)
   (contributed by @dingodoppelt)
 
+- Client: Ensure INI file settings are loaded before doing -c/--connect startup (#3738).
+  (contributed by @seanogdelaney)
+
+- Client/Server: Enable IPv6 by default if supported by host. Provide option to disable manually (#3720).
+  (contributed by @softins)
+
+- Server: Report OS as Unix if not Windows, Mac, iOS, Android or Linux (#3699).
+  (contributed by @softins)
+
+- Server: Optimize mixing (#3706).
+  (contributed by @ann0see)
+
+- Server: Removed HTML status file support and -m/--htmlstatus option (#3721).
+  (contributed by @softins)
+
+- Internal: Removed unused array to silence compiler warning (#3717).
+  (contributed by @softins)
+
+
 ### 3.12.1 (2026-05-17) ###
 
 - Client: Fix occasional spurious version updated message display (#3691).