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Closed tabs to not stay closed

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Closed tabs do not stay closed. If I close one or more tabs then close the app, closed tabs will be opened again when I open the app. Even clearing them from history doesn't stop Firefox from reopening closed tabs. This has been an issue since the update on late April - early May 2023. If I navigate to a new site then close the tab, the old site will be reopened on start up.

Closed tabs do not stay closed. If I close one or more tabs then close the app, closed tabs will be opened again when I open the app. Even clearing them from history doesn't stop Firefox from reopening closed tabs. This has been an issue since the update on late April - early May 2023. If I navigate to a new site then close the tab, the old site will be reopened on start up.

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Hi

Are you syncing them to another copy of Firefox using Firefox Sync?

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Nope, nothing syncing. No "open these tabs every time".