ScriptCat Beta version history - 25 versions
ScriptCat Beta by 王一之
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 1.5.0.1500
Released 18 Sep 2026 - 5.05 MBWorks with firefox 154.0 and laterThis pre-release reworks the install page (ineffective-directive flags, permission diffs on update, full-screen code view), makes new-script templates customisable, removes the message size limit for large scripts and resources, and fixes split-realm sandbox compatibility on Firefox. Full changelog: https://docs.scriptcat.org/docs/change/beta-changelog/Source code released under GNU General Public Licence v3.0 only
Older versions
Version 1.5.0.1400
Released 1 Sep 2026 - 5.02 MBWorks with firefox 154.0 and laterNew in 1.5.0-beta.3:- Network Rules (DNR): strip CSP / X-Frame-Options and other response headers, rewrite request and response headers, block or redirect requests on matched domains, with scenario templates, rule ordering, bulk actions and match testing.
- Popup site-scope actions are now always available; "Exclude on X" removes the site from @match where possible instead of always writing an @exclude rule.
- Agent OPFS write operations are restricted to the workspace directory, with rename and move support.
- Fixed the Firefox @inject-into content script sandbox missing EventTarget methods, leaking a self-reference, and having interface objects stripped.
- Fixed several Popup script list issues and script ordering being scrambled when syncing across multiple devices.
Full changelog: https://docs.scriptcat.org/docs/change/beta-changelog/Source code released under GNU General Public Licence v3.0 only
Version 1.5.0.1300
Released 22 Aug 2026 - 4.92 MBWorks with firefox 154.0 and laterThis pre-release improves the built-in Agent's conversation, tool-loop, persistence and MCP reliability, reworks the popup site-scope operations into a reversible state machine, and fixes several cloud-sync and update-page issues.- Agent conversation, tool-loop, persistence and MCP reliability improvements (#1549)
- Popup site-scope operations: S1-S4 reversible state machine (#1666)
- Fix GM_download not triggering onerror when passed an empty url (#1619)
- Update-page / install-page / editor UX fixes (#1677)
- Cloud sync no longer triggers on service-worker cold starts (#1678)
- Fix the install/update page not closing properly (#1675)
Full changelog: https://docs.scriptcat.org/docs/change/beta-changelog/Source code released under GNU General Public Licence v3.0 only
Version 0.16.12.1010
Released 29 Nov 2025 - 3.75 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU General Public Licence v3.0 only
Version 0.16.11.1010
Released 25 Aug 2025 - 3.77 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU General Public Licence v3.0 only
Version 0.16.10.1010
Released 14 Jul 2025 - 3.78 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU General Public Licence v3.0 only
Version 0.16.7
Released 8 Jul 2025 - 3.73 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU General Public Licence v3.0 only
Version 0.16.6
Released 24 Oct 2024 - 3.75 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.16.5
Released 12 Jul 2024 - 3.72 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.16.4
Released 10 Jul 2024 - 3.72 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.16.3
Released 12 May 2024 - 3.72 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.16.2
Released 23 Apr 2024 - 3.72 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.16.1
Released 27 Feb 2024 - 3.68 MBWorks with firefox 91.0.0 and later, android 120.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.16.0
Released 23 Dec 2023 - 3.68 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.15.1
Released 30 Aug 2023 - 3.62 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.15.0
Released 16 Aug 2023 - 3.62 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.14.0.1020
Released 17 Jun 2023 - 3.57 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.14.0.1010
Released 15 Jun 2023 - 3.54 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.13.1.1010
Released 2 Jun 2023 - 3.54 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.13.0.1010
Released 25 May 2023 - 3.46 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.12.0.1010
Released 19 Mar 2023 - 2.97 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.11.3
Released 3 Mar 2023 - 2.97 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.11.2
Released 7 Feb 2023 - 2.97 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.11.0.1040
Released 18 Dec 2022 - 2.97 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only
Version 0.11.0.1030
Released 4 Dec 2022 - 2.98 MBWorks with firefox 91.0.0 and laterSource code released under GNU Lesser General Public Licence v3.0 only