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Tab Session Manager 7.4.0fork version history - 2 versions

Tab Session Manager 7.4.0fork by theo1996

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Tab Session Manager 7.4.0fork version history - 2 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 7.4.0.1

    Released Sep 25, 2026 - 762.89 KB
    Works with firefox 109.0a1 and later
    1. Regular auto-save defaults to ON, and if the user turns it off, a notification
      (+ yellow warning triangle over the toolbar icon) repeats every N minutes (default 5,
      adjustable) until it's back on.
    2. Stale-session nag: if no session has been saved for X hours (default 1.5, adjustable)
      of active browsing, it alerts the same way. "Active" excludes PC sleep and any gap where
      Firefox's idle API reports the user away >10 min, so a sleeping laptop never falsely
      trips it.
    3. Startup-backup log, in Settings → Auto Save: shows where the last few startup backups
      were written, verifies (by re-reading it back) that each one actually landed in IndexedDB,
      and — new — optionally also writes the same backup as a .json file plus a human-readable
      .txt log to Downloads/TSM Startup Backups/. The log itself is stored as two
      checksummed, alternating copies in storage.local (so a crash mid-write only ever damages
      one of the two, and the other is used to recover) and is mirrored to disk after every
      startup. Log entries never overwrite past sessions, and a "save" of a single blank tab
      never overwrites a real backup.
    4. Failure/edge-case hardening: reopens IndexedDB if the connection drops; retries a
      failed download once (15s later) before reporting the error; keeps a small in-memory
      fallback if a save fails outright and quietly replays it once the DB recovers; catches
      the case where the auto-save alarm itself silently disappears (a known WebExtensions
      alarms quirk) and re-arms it; and sanitizes a bad/zero/NaN interval setting instead of
      letting the alarm API reject it.

    Source code released under GNU General Public License v3.0 only

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 7.4.0

    Released Aug 9, 2026 - 751.5 KB
    Works with firefox 109.0a1 and later
    -Added safeguards for writing to dbs by using copies so it doesnt corrupt mid crash
    -alleviated cpu/RAM issues by optimizing how it checks all tabs on every tab event for thousands of tabs
    full Claude transcript: https://claude.ai/share/931cf8bc-6de6-459e-a7bd-d386f2d1ef11

    Source code released under GNU General Public License v3.0 only

    Download file