[Chapel Merge] Setting 1.28 Release Numbers

Branch: refs/heads/main
Revision: 67be594
Author: tzinsky
Link: Setting 1.28 Release Numbers by tzinsky · Pull Request #20095 · chapel-lang/chapel · GitHub
Log Message:

Merge pull request #20095 from tzinsky/version-1.28-prerelease

Setting 1.28 Release Numbers

Modified Files:
M compiler/main/version_num.h

M man/confchpl.rst
M man/confchpldoc.rst
M test/compflags/bradc/printstuff/version.goodstart
M test/compflags/bradc/printstuff/versionhelp.sh

Compare: https://github.com/chapel-lang/chapel/compare/c95ea1c5fa16...67be5947aaca