Scripts break after Firefox updates
Userscripts that worked before stop running in Greasemonkey after Firefox updates, while other script managers still run them.
Tier I · Proven The best-established problems.
13 public reports · first reported 21 March 2018 · last reported 10 January 2026
What's going wrong
Users of this Firefox userscript manager report that scripts which ran fine stop working after browser updates.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 13 reports are about, and how many came each month.
- Related problems.
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