This happens when I have Nightly open with my default profile and Firefox portable open with a different profile. When i click on "Open new tab" in the jumplist menu of the portable version a new tab is created in Nightly instead. This problem also happens when two profiles are open simultaneously with -no-remote.
Component: Tabbed Browser → Shell Integration
QA Contact: tabbed.browser → shell.integration
Status: UNCONFIRMED → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 763135
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