This package has been deprecated and may no longer be maintained. We recommend looking for an alternative.
LwfFpsBoost
No longer needed: game v0.29.0 implements threaded Spine animation officially. Final release, kept as a record. Uninstall on v0.29+.LWF FPS Boost
This mod is no longer needed — final release.
- Game v0.29.0 (2026-09-28) implements threaded Spine animation officially
- The official patch note reports a 250% FPS increase in their load test
- On v0.29+ the mod detects the official fix and applies nothing; uninstall it anyway
- This package is deprecated and kept as a record
Threaded Spine animation and mesh generation for Lazy Witch's Factory (for ver 0.28.0 and older).
- Frame time drops by about half in factories with many familiars
- The gain scales with logical CPU cores; a single core gains nothing
- Panel text follows the game language

Install
- Install with a mod manager, or put
LwfFpsBoost.dllintoBepInEx/plugins/ - Start the game
- The title screen shows the panel above
Check it works
- Press F9 on the title screen and wait for the verdict
PASS→ doneINCONCLUSIVE→ press F9 againFAIL→ report it withBepInEx/LwfFpsBoost-incidents.log
| Key (title screen) | Action |
|---|---|
| F9 | load test, ~53 s |
| F10 | speed test, ~66 s |
- The PC is under heavy load during a test
- Leaving the title screen during a test stops the test and turns threading off; restart the game
- The
queue contendedcount in the result changes every run; 0 gives INCONCLUSIVE - After a test that produced an error, the game shows its error screen once on the next start; close it and restart


Measured on the author's PC
Ryzen 7 5700X (8C/16T), 1500 familiars.
| Threading | Frame time | fps |
|---|---|---|
| on | 21.9 ms | 45.6 |
| off | 51.1 ms | 19.6 |
Report
- Post in the Mod channel of the official Discord
- Attach
BepInEx/LwfFpsBoost-games.log, written once per factory run - Attach
BepInEx/LwfFpsBoost-incidents.logwhen the file exists
Remove
- Delete
BepInEx/plugins/LwfFpsBoost.dll - When the game ships threaded Spine updates, this mod applies nothing
- Delete it when the title screen reads
The game runs Spine threaded - Delete it before reporting a game bug to the developer
Settings
BepInEx/config/kiyonakanata.lwffpsboost.cfg
| Setting | Default | Values |
|---|---|---|
1. General/Enabled |
true |
false = off |
The 9. Developer section is for development.
Links
- GitHub
- DEVELOPER.md — cause, reproduction, and a fix for the game
