BetaEvolutions/Legacy

   Beta Evolutions 1 is End of Life

   Beta Evolutions 1 reached End of Support (EOS) in January 2026 after six years, and has been superseded by Beta_Evolutions_2.

   Download Beta Evolutions 2 at https://evolutions.retromc.org

BetaEvolutions

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

Download link: https://api.retromc.org/api/v1/evolutions/BetaEvolutions1-1.4.5.jar

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.