OpenRCT2, the open-source reimplementation of RollerCoaster Tycoon 2, has been released in version v0.5.7 “Get on with it!”.
The update mainly brings bug fixes: faster object loading under Flatpak or with RCT Classic, missing build information in the AppImage, and a fixed headless server crash.
0.5.7
Fixes:
- Fix: [#16807] Confusing error messages when regular JSON files are loaded as custom objects.
- Fix: [#18954] Classic Mini Roller Coaster vehicles appear as new rides after being researched in Bumbly Beach.
- Fix: [#21030, #26981] Slow object loading and index building with RCT Classic or under Flatpak.
- Fix: [#24524] Build-specific information missing in some build types, such as AppImage.
- Fix: [#27264] Headless server crashes when loading a recolourable terrain surface.
- Fix: [#27286] Headless servers no longer write chat logs.
- Fix: [#27300] Walls can now be placed on every edge of the Reverse Freefall/Air Powered flat-to-vertical slope pieces.
- Fix: [#27316] Incorrect height markers on certain diagonal and banked turn pieces.

Source: GitHub