v0.17.3 (2022-07-14)

Spack bugfixes

• Fix missing chgrp on symlinks in package installations (#30743)
• Allow having non-existing upstreams (#30744, #30746)
• Fix spack stage with custom paths (#30448)
• Fix failing call for spack buildcache save-specfile (#30637)
• Fix globbing in compiler wrapper (#30699)

Full Changelog: https://github.com/spack/spack/compare/v0.17.2...v0.17.3