ANNOUNCE: xfce4-panel 4.15.6 released

[Simon Steinbeiss]

xfce4-panel 4.15.6 is now available for download from
  
  https://archive.xfce.org/src/xfce/xfce4-panel/4.15/xfce4-panel-4.15.6.tar.bz2
  https://archive.xfce.org/src/xfce/xfce4-panel/4.15/xfce4-panel-4.15.6.tar.bz2?sha1
  https://archive.xfce.org/src/xfce/xfce4-panel/4.15/xfce4-panel-4.15.6.tar.bz2?sha256


What is xfce4-panel?
====================

Xfce's panel.

Website: 
  https://www.xfce.org/


Release notes for 4.15.6
========================
[Please note that this is a development release.]
- settings: Use spinbuttons for size and nrows
- settings: Update item listview toolbar
- Make dbusmenu-gtk3-0.4 optional, disables StatusNotifier integration
- gobject introspection wants a capital letter for the gir file
- Use new xfce_spawn API
- Bump GLib (and gio, gthread, etc) minimum to 2.50.0
- Update .gitignore
- Add README.md to EXTRA_DIST
- Fix compiler warnings
- Fix memory leaks
- Drop generated code from repo
- Revert "launcher: Appear "checked" on click (Fixes #256)"
- Translation Updates:
  Chinese (China), Estonian, Norwegian Nynorsk, Russian, Serbian,
  Slovak, Slovenian, Turkish, Vietnamese