v5.7.284
Disable the "Blank issue" alternative when using the GitHub "New issue"-button
Merge pull request #20371 from timvandermeij/github-actions-integration-tests
[api-minor] Move to Fluent for the localization (bug 1858715)
Update l10n related information in various READMEs
Improve the security policy
Fix the error in gh actions found by zizmor
[Editor] Fix variable name in the ftl file
Fix Python caching in the GitHub Actions workflows
Include a security policy for PDF.js
