All you need to do is evaluating the following expression in a playground. I suggest you do it in a fresh image. Metacello new baseline: 'PharoJS'; repository: 'github://bouraqadi/PharoJS'; load That was one of the tests mentioned. See the screenshot below. The problem seems Git-related: Shaping On 6 Oct 2019, at 14:49, Shaping <shaping@uurda.org <mailto:shaping@uurda.org> > wrote: Hi. Can someone explain exactly how to install the latest version of PharoJS, and verify that the proedure really works? I've tried: 1) cloning the PharoJS repo in Pharo 8.0 with Iceberg, and get a Not Loaded final state for the repo. 2) loading into Pharo 7, 6.1, and 5 using Metacello new baseline: 'PharoJS'; repository: 'github://bouraqadi/PharoJS'; load All tries fail with a walkback. 3) loading into Pharo 4.0 using Gofer it smalltalkhubUser: 'noury' project: 'PharoJS'; addPackage: #ConfigurationOfPharoJS ; loadStable. The walkback here mentions missing dependency RBGlobalNode. Suggestions are welcome. Thanks. Shaping