Don't worry, you didn't skip 454 updates; the patch number is simply the Jenkins build number. For context, the first release was 0.8.441.

DOWNLOAD HERE (Windows, macOS, Linux)

Changelog

Want ChroMapper updates faster? Consider changing your Release Channel to Dev in Experimental Settings.

Add Billie & Spooky Environments to ChroMapper
VSync is now enabled by default
Half Jump Duration limit decreased from 1 to 0.25 (#348)
Update CrowdIn localizations
Linux systems can now open ZIPs (using xdg-open command) and send deleted maps to Recycling Bin (uses gio command)
New/unsupported Beat Saber Environments no longer causes errors
Scroll tweaking wall duration now takes into account the current BPM (if changed)
When generating step gradients, vanilla Off events are interpreted as the previous color (or black) with 0 alpha
When generating step gradients, an ending event with the final color will now generate more consistently
Laser speed direction should now be more consistent with Beat Saber
Add _speed support for Ring Zoom events