Resource Saver version history - 5 versions
Resource Saver by Principle
Resource Saver version history - 5 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 0.33
Released 4 Jan 2026 - 39.72 kBWorks with firefox 58.0 and laterFixed plenty of memory leaks, most noticeable in page restoration and session restoration.
Added input restoration blacklist in settings
Improved ui, made buttons more clear.
Added buttons to add/remove current website to whitelist or input restoration blacklist
Fixed lazy session restore being seen as disabled by default when it is in fact enabled.
Added storage usage tracking, visible in settings page.
Added a special system for when restarting firefox, as tabid will be scrambled, it detects tabid based data and migrates it to a url based system instead, allowing data to still be recovered on pages, all previous url based data is deleted upon starting firefox again.Source code released under All Rights Reserved
Older versions
Version 0.31
Released 4 Jan 2026 - 39.66 kBWorks with firefox 58.0 and laterSource code released under All Rights Reserved
Version 0.3
Released 4 Jan 2026 - 39.64 kBWorks with firefox 58.0 and laterSource code released under All Rights Reserved
Version 0.2
Released 4 Jan 2026 - 39.66 kBWorks with firefox 58.0 and laterSource code released under All Rights Reserved
Version 0.1
Released 30 Sep 2025 - 38.75 kBWorks with firefox 58.0 and laterSource code released under All Rights Reserved