Newer distributions like those found on q13x's Eaglercraft Distributions utilize WebAssembly (WASM) , which can provide up to 50% higher FPS than standard JavaScript versions.
The move to 1.10 brings several core mechanics and entities to the browser version: eaglercraft 110 updated
You can access Eaglercraft 1.10 Updated through several methods: Ampler Launcher - IRV77's Site Newer distributions like those found on q13x's Eaglercraft