[CI] Add build matrix with 1.0.0 and 1.1.1 #11278
Merged
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In order to ensure compatibility with older Crystal releases, we need to run specs for that.
This is just a first step. We're duplicating the specs for
test_linux
to run with both, the latest stable release (1.1.1
) and its predecessor (1.0.0
).It's still open how we want to progress in the future. For example, how long we keep
1.0.0
as the lower bound and if we add tests for more releases between upper and lower bound. That's to be determined at a later point.See https://forum.crystal-lang.org/t/compiler-compilability/3651 for the discussion thread.