Created attachment 133165 [details]
When presenting a slideshow on an external display with the ribbon interface active, the toolbar appears on top of the slideshow on the external display.
I've attached a screenshot showing the native display with the presenter view and external display with the slideshow and overlaid toolbar.
The errant Notebookbar over the Impress presentation windows confirmed on dual headed Windows 10 Pro 64-bit en-US with
Version: 22.214.171.124 (x64)
Build ID: 3d9a8b4b4e538a85e0782bd6c2d430bafe583448
CPU Threads: 8; OS Version: Windows 6.19; UI Render: GL; Layout Engine: new;
Locale: en-US (en_US); Calc: group
But, it has been corrected, same system with
Build ID: c3e0b7dd4e7b1d33b8555e0acdf9f44cfc043ca2
CPU threads: 8; OS: Windows 6.19; UI render: GL;
TinderBox: Win-x86@39, Branch:master, Time: 2017-05-08_00:14:11
Locale: en-US (en_US); Calc: CL
Does https://gerrit.libreoffice.org/#/c/34401/ (and 35251) need backport to 5.3?
*** This bug has been marked as a duplicate of bug 103355 ***
Wasnt possible to cherry-pick it on gerrit due to merge conflict, so this would have to be done manually.