https://bugs.documentfoundation.org/show_bug.cgi?id=120545
Bug ID: 120545
Summary: LibreOffice UI extremely slow on MacBook Pro with
Retina displays
Product: LibreOffice
Version: 6.1.2.1 release
Hardware: All
OS: Mac OS X (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: LibreOffice
Assignee: [email protected]
Reporter: [email protected]
Description:
When the document window is opened on Retina display (or is moved to it from
external display desktop), it becames unusably slow.
Reseting user profile doesn't help.
What helps is checking "Open in Low resolution" in macOS application properties
for LibreOffice.
Happens 100% of the time the window touches Retina display.
Slows down like that since (I think) macOS Sierra.
GUI is updated something like 2 times per second. ~2 FPS.
Enabling OpenGL doesn't help.
See more:
https://www.reddit.com/r/libreoffice/comments/94n2e3/libreoffice_so_slow_its_almost_unusable_on_mac/?st=jn5vgzsf&sh=242e7fb3
Steps to Reproduce:
1. Get a Macbook Pro with Retina display (all of them).
2. Open any document in LibreOffice (tested on small-to-large spreadsheets).
3. Try to scroll in the document. Watch the slow animation.
4. Try to edit any cell. Watch the slow animation.
The animation feels like 2 render updates per second. Half a second apart. ~2
FPS.
Actual Results:
Slow GUI render.
Expected Results:
Fast rendering on fast machine.
Reproducible: Always
User Profile Reset: Yes
Additional Info:
[Information automatically included from LibreOffice]
Locale: en-US
Module: StartModule
[Information guessed from browser]
OS: Mac OS X (All)
OS is 64bit: yes
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