Here is the safest way to get the version:

: This project is a port of the game written in Python that is being converted to HTML. It claims to offer instant boot times, more skins, and smoother performance on Chromebooks.

However, a major shift occurred with the community-driven rollout of the (often based on the b1.7.3 or 1.12.2 targets, depending on the specific fork). This update represents the most ambitious attempt yet to drag the browser Minecraft experience out of the "old school" era and into something resembling modern gameplay.

: Sites like eaglercraft.42web.io host collections of various clients, including those claiming 1.20 and 1.21 compatibility.

: Many 1.20 clients come with built-in mods, pets for avatars, more skin options, and infinite world generation.