+++ This bug was initially created as a clone of Bug #1730124 +++ Steps To Reproduce: 1. Launch Firefox 93.0b3 with new profile 2. Turn on `Restore previous session` and `Warn you when quitting the browser` in about:preferences#general 3. Open 3 tabs (Make it 3 tabs in total) 4. Quit --- Warning appears as expected 5. Launch Nightly94.0a1 with the profile used in 93. (Like a regular upgrade in the future.) --- previous tabs(step3) are restored as expected 6. Quit --- BUG! No warning appears. Actual Results: No warning appears Expected Results: Warning appears should appear as before(version 93) The previous setting `Warn you when quitting browser` should be migrated to the similar settings. Regression Window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=a8b9260fbdef0f3600dc0b8e2e245cb0f82c3470&tochange=9f39ead09bf362121599a4965136529e55880de7 Suspect: Bug 1726736
Bug 1730135 Comment 0 Edit History
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+++ This bug was initially created as a clone of Bug #1730124 +++ Steps To Reproduce: 1. Launch Firefox 93.0b3 with new profile 2. Turn on `Restore previous session` and `Warn you when quitting the browser` in about:preferences#general 3. Open 3 tabs (Make it 3 tabs in total) 4. Quit --- Warning appears as expected 5. Launch Nightly94.0a1 with the above profile used in 93. (Like a regular upgrade in the future.) --- previous tabs(step3) are restored as expected 6. Quit --- BUG! No warning appears. Actual Results: No warning appears Expected Results: Warning appears should appear as before(version 93) The previous setting `Warn you when quitting browser` should be migrated to the similar settings. Regression Window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=a8b9260fbdef0f3600dc0b8e2e245cb0f82c3470&tochange=9f39ead09bf362121599a4965136529e55880de7 Suspect: Bug 1726736