[$] Julia 1.9 brings more speed and convenience

Version 1.9 of Julia, which is anopen-source programming language popular in scientific computing, was releasedin early May. There are a number of interesting new features this timearound, including more work addressing thestartup-time complaints and a number of improvements to the package system.Beyond that, there are a few interesting features from the Julia 1.8 releaseto catch up on.