Releases Insights
Releases Insights parses sources such as Mercurial logs, APIs, and crash data to examine past software releases.
About Releases Insights
Releases Insights is the source code behind whattrainisitnow.com, the Firefox Trains Dashboard. It parses Mercurial logs, APIs and crash data to show uplifts per beta and top crash signatures per nightly. It also shows the next Firefox desktop release date, upcoming milestones and data for past releases, with a public JSON API. The listed requirements are Linux, PHP 8.4 or later and Composer, and Docker can also be used.
Pricing is not clearly stated.
Key features
- Parses Mercurial logs, APIs, and crash data for past releases
- Shows uplifts per beta and top crash signatures per nightly
- Displays next Firefox release date and upcoming milestones
- Provides a public JSON API for release data
- Supports Docker container deployment on port 8000
Best for: Developers who want to run or change the dashboard code locally.
Good for
- Includes tests run in CI with GitHub Actions
Watch out for
- Requires PHP 8.4 or later with several extensions, plus Composer
- macOS and Windows were not tested by the author
- Depends on several external Mozilla data sources
Releases Insights at a glance
- Category
- Software & Utilities › Browser Extensions
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 23, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Releases Insights FAQ
How do I run it locally?
Clone the repository, run composer install, then start the PHP server with php -S localhost:8082 -t public/. The site is then available at http://localhost:8082.
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