Spack has been on a rocket-like trajectory since its inception in 2013. The project’s user and developer community has grown steadily thanks to recurring activities like real-time tutorials, Birds-of-a-Feather meetups at conferences, a lively Slack channel, and regular virtual meetings. But the global Spack community hadn’t gathered for an in-person, user-focused event until this year. Nicknamed SUM25, the inaugural Spack User Meeting took place in Chicago on May 7–8 as part of the High Performance Software Foundation’s (HPSF) first conference (Spack is a founding member of the HPSF within the Linux Foundation, which organized the conference). Read more at LLNL Computing.