4.9.0

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- Panel: Add option in preferences dialog to disable struts (bug #7202).
- Showdesktop: Allow middle-click to shade windows (bug #7177).
- Panel: Add style property to control size of autohide window.
- Panel: Make compositing settings insensitive (bug #7862).
- Tasklist: Add option to disable mouse scrolling (bug #6996).
- Tasklist: Make the plugin shrink instead of expand (bug #7389, #7129).
- Drop AC_PROG_LIBTOOL and AC_DISABLE_STATIC for LT_PREREQ and LT_INIT.
- Clock: Use realtime POSIX timers for the clock.
- Actions: Merge functionality of xfce4-session plugin.
- Applicationmenu: Show menu on button-press-event (bug #8047).
- Migrate: Add version based config migration.
- Clock: Fix typo in tooltip (bug #8137).
- General: Add deskbar mode and nrows property to plugins.
- General: Add small property for plugins.
- Separator: Remove new line option.
- General: Make plugins work with deskbar mode and small property.
- Panel: Change drop highlighting to a red line.
- Applicationmenu: Reload menu on directory changes.
- Panel: Make sure the panel has a position on startup (bug #8287).
- Panel: Work with a unique id for each panel.
- Panel: Remove autosaving on exit and with timeout.
- Panel: Only save what is required and when needed.
- Docs: Update to latest version.