Open Bug 1749952 Opened 3 years ago Updated 2 years ago

Trackpad scrolling jumps in macOS "Low power mode" with ProMotion

Categories

(Core :: Widget: Cocoa, defect, P3)

Firefox 98
defect

Tracking

()

People

(Reporter: bugzilla, Unassigned)

References

(Depends on 1 open bug, Blocks 1 open bug)

Details

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:98.0) Gecko/20100101 Firefox/98.0

Steps to reproduce:

macOS Monterey 12.1, M1 Pro MacBook Pro 16".

"Low power mode" enabled in System Preferences > Battery
Refresh rate set to "ProMotion" in System Preferences > Displays

Does not reproduce in other apps.
Does not reproduce with "Low power mode" disabled.
Does not reproduce with display refresh set to 60Hz.

Actual results:

When scrolling with trackpad, scroll will occasionally "jump" down a few centimeters. Particularly pronounced on more complex pages immediately after page load.

Expected results:

Scrolling should be smooth.

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Cocoa' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.

Component: Untriaged → Widget: Cocoa
Product: Firefox → Core
Blocks: monterey
Severity: -- → S2
Status: UNCONFIRMED → NEW
Ever confirmed: true
Priority: -- → P3
Depends on: 1759232
Severity: S2 → S3
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