Updates for release

NEWS

+4.15.2
+======
+- panel: Improve autohide animation
+- panel: Add "popdown-speed" property to adjust autohide animation
+- panel: Fix autohide state machine
+- panel: Fix cancellation of autohide animation
+- panel: Immediately show panel in intellihide
+- panel: Don't tamper with leave_opacity value (Bug #16296)
+- launcher: Show desktop actions in context menu
+- plugin: Show custom menu items below plugin name
+- tasklist: Hide brackets for min windows by default
+- tasklist: Fix crash middle-click-closing grouped windows (Bug #16410)
+- systray: Basic support for symbolic icons
+- systray: Silence deprecation warnings
+- systray: Remove superfluous warning
+- Improve wording in "Remove plugin" dialog (Bug #9000)
+- settings: Add keywords for discoverability (Bug #10694)
+- Fix GTimeVal deprecation (Bug #16643)
+- Fix memory leak in panel plugin wrapper (Bug #16640)
+- Update docstring
+- Update libxfce4panel symbols
+- Make var names more consistent
+- Fix cast
+- Fix typo
+- Fix indentation
+- Translation Updates:
+  Albanian, Basque, Belarusian, Bulgarian, Catalan, Chinese (China),
+  Chinese (Taiwan), Croatian, Danish, Dutch, Finnish, French, Galician,
+  Georgian, German, Hebrew, Hungarian, Italian, Japanese, Kazakh,
+  Lithuanian, Malay, Norwegian Bokmål, Polish, Portuguese, Portuguese
+  (Brazil), Russian, Serbian, Slovenian, Spanish, Turkish, Ukrainian
+
 4.15.1
 ======
 - Enable dark-mode by default

configure.ac.in

@@ -13,10 +13,10 @@ m4_define([libxfce4panel_version_api], [2.0])
 m4_define([xfce4_panel_config_version], [2])
 m4_define([xfce4_panel_version_major], [4])
 m4_define([xfce4_panel_version_minor], [15])
-m4_define([xfce4_panel_version_micro], [1])
+m4_define([xfce4_panel_version_micro], [2])
 m4_define([xfce4_panel_version_nano],  []) dnl leave this empty to have no nano version
 m4_define([xfce4_panel_version_build], [@REVISION@])
-m4_define([xfce4_panel_version_tag], [git])
+m4_define([xfce4_panel_version_tag], [])
 m4_define([xfce4_panel_version], [xfce4_panel_version_major().xfce4_panel_version_minor().xfce4_panel_version_micro()ifelse(xfce4_panel_version_nano(), [], [], [.xfce4_panel_version_nano()])ifelse(xfce4_panel_version_tag(), [git], [xfce4_panel_version_tag()-xfce4_panel_version_build()], [xfce4_panel_version_tag()])])
 
 dnl *******************************************