gradle/libs.versions.toml (5 lines of code) (raw):

[libraries] # For published releases adjust mpsMajor in build.gradle.kts and use this dependency: # mps = "com.jetbrains:mps:202x.y" mps = "com.jetbrains.mps:mps-prerelease:253.28294.10044" jbr = "com.jetbrains.jdk:jbr_jcef:21.0.6-b895.109"