BetaEvolutions/Legacy

⚠️ Beta Evolutions 1 is now end of life ⚠️
After six years since its release in 2020, Beta Evolutions 1 reached end of support in January of 2026.
While version 1.4.5 can still be downloaded and used, support for any issues with this old version will not be provided.
Upgrading to Beta Evolutions 2 (https://evolutions.retromc.org) is highly recommended.

BetaEvolutions

A client mod (with server plugin/API) for Beta 1.7.3 that fixes skins, authentication, and sounds.

Download link: https://evolutions.retromc.org

Authentication-only version*: https://www.retromc.org/downloads/BetaEvolutionsAuth.jar
*Auth-only version provides more mod compatibility, but it doesn't fix skins/sounds.

Installation guide: Beta_1.7.3_installation_guide#MultiMC/PrismLauncher/Other forks plus BetaEvolutions

BetaEvolutions (BetaEvo or BetaEVO, https://evolutions.johnymuffin.com, used to redirect to this wiki page, now redirects to v2 page) is a Minecraft Beta 1.7.3 mod to fix sounds, skins and authentication; created by JohnyMuffin, with 7n9.

Features

Sound and skin fixes
Capes (only for Mystic rank & above; change capes with https://capes.johnymuffin.com)
Authentication fixes (autologin on servers with its plugin)
Discord RPC
Staff-only nametag cosmetics
FoV slider

Public test versions

7n9 released dev versions of BetaEvolutions on the RetroMC Discord server and more features exist in it (b1.8 hand sway and item name above hotbar are 2 of them).
In the betaevo-testing channel, the thread named "The Latest Version of BetaEVO" contains the jar file. The workaround in BetaEvolutions/Apple Silicon Mac install guide is no longer needed, apart from M1Fix.