v13.0.1

What's Changed

• Updating to latest template from readthedocs.io by @jbogard in #4380
• Remove Microsoft.CSharp nuget dependency by @Romfos in #4381
• We build for .net 6 now by @lbargaoanu in #4382
• Revert "nullable annotations for the runtime public API" by @jbogard in #4388

New Contributors

• @Romfos made their first contribution in #4381

Full Changelog: v13.0.0...v13.0.1