First beta for 1.20.1. This means the API should be stable enough for addons, however game content may still get changes and rebalances, so keep an eye out on future updates if you are a modpack dev. There may still be bugs.
Full changelog: https://github.com/SlimeKnights/TinkersConstruct/releases/tag/v3.9.2.34
Optional dependencies
Just Enough Items (JEI)
Any compatible version
Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }