Insert -> New Slide in Notebookbar is not producing any action (not creating new slides) both on Insert -> Slide as well as on Home -> New slide.
Repro. Arch Linux 64-bit, KDE Plasma 5 Version: 5.4.0.0.alpha0+ Build ID: b12823aa81003e80372bd89db79bd6ba8e032a95 CPU Threads: 8; OS Version: Linux 4.9; UI Render: default; VCL: kde4; Locale: fi-FI (fi_FI.UTF-8); Calc: group Built on February 1st 2016
Szymon Kłos committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=445e0b0b509af853b27b235eda2b9a53568c12a6 tdf#105682 : fixed Insert Slide buttons It will be available in 5.4.0. 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.