Version非互換のアドオン用などのツール
https://addons.mozilla.org/ja/firefox/addon/nightly-tester-tools/
http://gigazine.net/news/20110323_firefox4_uncompatible/
- Titlebar customization
- Build ID retrieval
- Copy list of extensions to clipboard
- Screenshots
- Open profile folder
- Test crashing
- Force addon compatibility
- View pushlog of changes since last nightly
めも、未評価
