Created attachment 140343 [details]
odp file and screenshot
With the document attached a white rechtangle is projected over the presentation, when in presentation mode.
Removing the text box with the date in it removes this.
No repro with:
Build ID: e108a31a8fee09c2fa4031e45e45ed73bbdb7c6f
CPU threads: 4; OS: Windows 6.3; UI render: default;
TinderBox: Win-x86@42, Branch:master, Time: 2018-03-03_23:36:02
Locale: nl-NL (nl_NL); Calc: CL
No repro. Please check your report. Please also test with master http://dev-builds.libreoffice.org/daily/master/
Confirmed in LO 188.8.131.52 & 184.108.40.206 / Windows 7, only with OpenGL enabled.
No issue in LO 220.127.116.11.
@Aron, Could you bisect it when you have some time ?
Bibisected using repo bibisect-win32-6.0 to the commit referenced below. Adding Cc: to Michael Stahl, please take a look sometimes. The commit doesn't seem OpenGL-specific, so it's possible the commit just caused an unrelated issue to appear.
author Michael Stahl <email@example.com> 2017-11-10 23:28:19 +0100
committer Michael Stahl <firstname.lastname@example.org> 2017-11-10 23:53:15 +0100
slideshow: clip shapes in secondary screen window
Created attachment 140405 [details]
For me lines appear rather than a rectangle.
i can't reproduce the bug but i've reverted the commit in comment #5
because it was wrong so let's call it a duplicate.
*** This bug has been marked as a duplicate of bug 115142 ***