Suggested severity

• S3

Affected versions

• 81.0.1
• 82.0b7
• 83.0a1 (2020-10-05)

Affected platforms

• Windows 8.1x64
• macOS 10.15

Steps to reproduce

1. Launch Firefox
2. Access some websites in order to make some history
3. Open a new private window and access one website and check that is not displayed in the history list
4. Close the private window
5. Try to open one website from the history (View history, saved bookmarks and more -> History) list on a normal window.

Actual result
The website is not opened.

Expected result
The website is successfully opened

Regression range

• This is not a recent regression since I can reproduce it on 81.0.1. I’ll come back with a regression asap.

Additional notes

• See the attached screen record.

Hello! After searching for regression on Windows10x64 I got this pushlog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=131e19a573e901fb4d01b471b11b7916420b9fee&tochange=388d81ed93fa640f91d155f36254667c734157cf

The Steps I used for this are:

1. Open Firefox with a new profile and a new tab.
2. Middle click some of the Top Sites.
3. Verify that the opened websites are listed in Hamburger Menu-> Library -> History.
4. Open again the Hamburger menu and then open a Private Window.
5. In private window click on Hamburger Menu-> Library -> History and hover over websites.
6. Close the private window by pressing X while the library is opened.
7. Open on Normal Window Hamburger Menu-> Library -> History.
8. Click on a random item.

from that list, maybe bug 1354533 was the culprit. To be verified.