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Support xUnit.v3 version 2, 3, and 4. #1015
Description
Currently we compile against xUnit.v3 in version 1, but xUnit already made multiple breaking changes releases, they are currently on xUnit.v3 version 4.
We should test what we actually support and then try to get all the versions to work and give a table on what should work with what in the documentation.
We already ran into Problems for xUnit.v3 in version 4.x because the old test-runners are not supported anymore (and the new ones are not supported on our Azure.DevOps) This should also be in the compatibility table.
This will be probably done in parallel to the normal release process probably with 4.0.0 (that's why assign it to the milestone, but since we might need to publish multiple version, we might need to use a different schedule than the rest.)
Activity
FreeApophis commentedon Oct 27, 2026
The table will be added to this chapter #1017
FreeApophis commentedon Oct 29, 2026
Status after 3.8.0 (29 Oct 2026): the consumer-facing half shipped, the repository-side half is still open.
Shipped in 3.8.0 with #1028
xunit.v3.assertandxunit.v3.extensibility.core[1.0.1, 5), i.e. xunit.v3 1.x through 4.x. The library is still compiled against 1.0.1; the types it uses (Assert,XunitException,ArgumentFormatter,IXunitSerializer,SerializationHelper) did not change in the 2.0, 3.0 and 4.0 releases, whose breaking changes are in the runner and extensibility pipeline.mtp-offpackages for VSTest, which is the Azure DevOps breakage from the description.dotnet run --project.Still open here
Funcky.Xunit.v3.Testagainst the latest 1.x, 2.x, 3.x and 4.x (an MSBuild property feeding the test project'sxunit.v3version; run viadotnet run --project, which sidesteps the VSTest/MTP question), so the "expected to work" rows for 2.x and 3.x in the table become "verified".global.json(or themtp-offpackages), so it is a change to the whole build, not only to this package.Listed on the 4.0.0 umbrella #1035 in the additive group. If the two remaining items are not worth a 4.0.0 slot, this issue can be closed against #1028 and the matrix leg moved to 4.1.0.