The selection a special character that has been marked as a favorite toggles the favorite button into 'Remove from favorite'. When I click 'Add to favorites' the current selection goes to the list but the button remains in its add state. It should immediately change.
Akshay Deep committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=688624b78484bcb17c732b9c14dbb516fb6b28b4 tdf#109217 - State of the favorite button is not updated immediately It will be available in 6.0.0. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Thank you!