This is the last 2.7.x release.
- Debugger: don't render bar after dispatching assets
- bluescreen.css: fixed flash of black text
- Compatibility with psr/log ^2.0 and ^3.0 (#508)
- BlueScreen: used scrubber for HTTP response headers (#513)
- BlueScreen: used scrubber for HTTP headers (#498)
- Revert "Bluescreen: added length limit for exception message (#383)" for $title