Unofficial "rehosted" versions of the game often lack the stability of the original project. World saves stored in the browser cache can be lost if the browser data is cleared or if the unofficial website goes down.
A minor hotfix update (comparable to Java Edition 1.21.10) released in October 2025 to address critical bugs in wind charge behavior and entity collisions. eaglercraft 121 10 full
If you mean Eaglercraft 1.2.1 (or 1.2.5) with b1.0_10 features — that’s not a standard combination. More likely, "12110" is a misremembered filename or a server build tag. Unofficial "rehosted" versions of the game often lack