As of 2022-09-24 08:39:37 ACTOS: Pop! OS 22.04 LTSFirefox: v106.0b3 (64-bit)It was already the case under Ubuntu 20.04 LTS in 2021 (and relevant FF versions back then).It's not a Mac only issue.
As of 2022-09-24 08:39:37 ACT, this is still an issue, it's actually worse today than the past months combined -- it's a constant battle with scrolling-up and Firefox telling me where I should be, the bottom to trigger Facebook's infinite scrolling (...