https://bugs.documentfoundation.org/show_bug.cgi?id=163945
Bug ID: 163945
Summary: Regression in UI refresh rate on mac
Product: LibreOffice
Version: 25.2.0.0 alpha0+
Hardware: All
OS: macOS (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: UI
Assignee: [email protected]
Reporter: [email protected]
Description:
On a mac, in the current nightly build, the LibreOffice UI refreshes with a low
frame rate and cannot keep up with rapid mouse movements, resulting in a laggy
experience. For example, when resizing columns in Calc, or dragging to change
a text selection in Writer, the LibreOffice UI only updates to reflect the
mouse pointer a few times a second, resulting in a very laggy experience.
This is a regression: with 24.8.3.1, the LibreOffice UI is smooth and keeps up
with my mouse however fast I move it. See video that I will attach.
Possibly related to
https://bugs.documentfoundation.org/show_bug.cgi?id=157312#c19 ?
Steps to Reproduce:
1.In Calc, drag a column header boundary backwards and forwards quickly.
Actual Results:
The line showing the provisional new column size updates only a few times a
second, not keeping up with rapid mouse movements.
Expected Results:
The line smoothly follows the mouse during the drag operation.
Reproducible: Always
User Profile Reset: No
Additional Info:
Skia is enabled.
Skia log:
RenderMethod: metal
Version: 25.2.0.0.alpha0+ (AARCH64) / LibreOffice Community
Build ID: 503d7594e3ac32e26752ea294dacf255f66c061c
CPU threads: 8; OS: macOS 15.1; UI render: Skia/Metal; VCL: osx
Locale: en-GB (en_GB.UTF-8); UI: en-US
Calc: threaded
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