Created attachment 140375 [details]
Please have a look at the attached screenshot. UI glitches happen directly after changing „Tools/Options.../View/Notebookbar icon size:“.
I think a redraw should be implemented after changing the Notebookbar icon size.
Build ID: 1:6.0.2~rc1-0ubuntu0.14.04.1~lo3
CPU threads: 8; OS: Linux 4.4; UI render: default; VCL: gtk2;
Locale: de-DE (de_DE.UTF-8); Calc: group
confirmed in LO 22.214.171.124 on Xubuntu 17.10 amd64
Also reproduced in
Build ID: 4136757b4e51c4e6f7cb4132c95538a7f831ef2c
CPU Threads: 4; OS Version: Linux 4.13; UI Render: default; VCL: gtk3; Layout Engine: new;
Locale: en-US (ca_ES.UTF-8); Calc: group