the dependency listed isnt optional either..he sent me a link to the latest version...lemme grab it. https://github.com/net-lisias-ksp/KSPAPIExtensions/releases/tag/PRERELEASE%2F2.1.0.8 also, you'll need kjr itself https://forum.kerbalspaceprogram.com/index.php?/topic/50911-13-kerbal-joint-reinforcement-v333-72417/&page=98&tab=comments#comment-3513010 the link you need off this page is https://github.com/net-lisias-ksp/Kerbal-Joint-Reinforcement/releases/tag/RELEASE%2F3