>>> My Info: Win7_64, Nightly 53, 32bit, ID 20161219030207 (2016-12-19) STR_1: 1. Open http://example.org/ 2. Click, type "regression", press Alt+Enter 3. Click in urlbar, press Ctrl+Z 4. Press Ctrl+Z, press Ctrl+Z, press Ctrl+Z AR: Step 3 - urlbar value changes from one google url to another. Step 4 - value changes to "example.org/", then to google url, then finally changes to "regression" ER: Step 3 - urlbar value should change to "regression" This is regression from bug 1306639. Regression range: > https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=64cd7d87e78cf2e4b919aad10fb9f4962834b004&tochange=70d19ed29c980ba3d6825e5286bda08fa7dc676f

Per policy at https://wiki.mozilla.org/Bug_Triage/Projects/Bug_Handling/Bug_Husbandry#Inactive_Bugs. If this bug is not an enhancement request or a bug not present in a supported release of Firefox, then it may be reopened.