Bugzilla

**Affected Versions:**
Nightly 89.0a1
apz.overscroll.enabled true

**Tested On:**
MacOS 10.15/11

**Steps to Reproduce:**
1. Go to any page that has sticky headers or side menus, for example sites like:
 - https://youtube.com
- https://facebook.com (news feed page)
2. Reach the top of the page and swipe up multiple times

**Expected Results:**
The overscroll effect should start above the site header.

**Actual Result:**
The site header remains in place and the overscroll effect is applied under it.
Recording: https://drive.google.com/file/d/1PC3k2uFE2fMUBglqaHF5eotwBZ5jA4NZ/view?usp=sharing

Not reproducible on Safari nor Chrome.

**Severity Suggestion:**
Marking this S2 given it affects a large number of sites that have sticky headers and the whole rubberbanding effect is no longer applied correctly for these sites. Feel free to change it if you consider otherwise.

**Affected Versions:**
Nightly 89.0a1
apz.overscroll.enabled true

**Tested On:**
MacOS 10.15/11

**Steps to Reproduce:**
1. Go to any page that has sticky headers or side menus, for example sites like:
 - https://youtube.com
- https://facebook.com (news feed page)
- https://pinterest.com
2. Reach the top of the page and swipe up multiple times

**Expected Results:**
The overscroll effect should start above the site header.

**Actual Result:**
The site header remains in place and the overscroll effect is applied under it.
Recording: https://drive.google.com/file/d/1PC3k2uFE2fMUBglqaHF5eotwBZ5jA4NZ/view?usp=sharing

Not reproducible on Safari nor Chrome.

**Severity Suggestion:**
Marking this S2 given it affects a large number of sites that have sticky headers and the whole rubberbanding effect is no longer applied correctly for these sites. Feel free to change it if you consider otherwise.

**Affected Versions:**
Nightly 89.0a1
apz.overscroll.enabled true

**Tested On:**
MacOS 10.15/11

**Steps to Reproduce:**
1. Go to any page that has sticky headers or side menus, for example sites like:
 - https://youtube.com
- https://facebook.com (news feed page)
- https://pinterest.com
- https://instagram.com
2. Reach the top of the page and swipe up multiple times

**Expected Results:**
The overscroll effect should start above the site header.

**Actual Result:**
The site header remains in place and the overscroll effect is applied under it.
Recording: https://drive.google.com/file/d/1PC3k2uFE2fMUBglqaHF5eotwBZ5jA4NZ/view?usp=sharing

Not reproducible on Safari nor Chrome.

**Severity Suggestion:**
Marking this S2 given it affects a large number of sites that have sticky headers and the whole rubberbanding effect is no longer applied correctly for these sites. Feel free to change it if you consider otherwise.