Update changelog

Signed-off-by: falkTX <falktx@falktx.com>

.github/workflows/build.yml

@@ -8,10 +8,9 @@ on:
     branches:
       - '*'
 env:
-  CACHE_VERSION: 3
+  CACHE_VERSION: 4
   DEBIAN_FRONTEND: noninteractive
   HOMEBREW_NO_AUTO_UPDATE: 1
-  PAWPAW_SKIP_LTO: 1
   PAWPAW_VERSION: 023bccdeffafc4212292072a1eba78d9e709510e
 
 jobs:

ChangeLog.rst

@@ -3,6 +3,7 @@ ChangeLog
 
 * 1.9.21 (2022-04-15)
 
+  * Add shell mode to ``jack_control`` (executes commands from stdin until EOF)
   * The waf autooption ``--example-tools`` introduced in 1.9.20 is now off by default,
     To get the previous behavior back pass ``--example-tools`` during build.
     This flag (and the related tools and their code) are going to be removed in the next release.
@@ -10,10 +11,12 @@ ChangeLog
   * Fix build of jack-example-tools man pages (1.9.20 regression)
   * Fix missing symbols from jack client library (error and info callback pointers)
   * Fix potential memory corruption in midi_latency_test tool
+  * Fix JackWeakAPI on Windows
   * Use predefined variables in pkg-config file (required for mingw)
 
 External changes, related to macOS/Windows installer:
   * Fix application style in QJackCtl (qwindowsvistastyle.dll was missing)
+  * Update QjackCtl used in macOS/Windows installers to 0.9.7
 
 * 1.9.20 (2022-01-15)