Taisei Project, a free and open-source Touhou fangame in the bullet-hell genre, has been released in version v1.4.5.

This maintenance release focuses on bug fixes, small features, and engine improvements.

This is a maintenance release that fixes some bugs but also introduces a few features and engine efficiency improvements.

• Localization support.
• Fixed ReimuB shader translation crash on macOS (#423).
• Fixed stack-use-after-free crash in Stage 4 on some systems (#378).
• Improved SDL_GPU renderer compatibility, added automatic fallback to OpenGL.
• Rebuilt all basis-compressed textures without Y-flip; minor update to Stage 5 background.
• Updated Stage and Spell practice menus.
• Fixed busy wait consuming 100% CPU in the FPS limiter.
• Various small optimizations.
• Added a fangame disclaimer to the main menu.

Source: GitHub