v1.13.0

What's Changed

Enhancements

• Add Schema field to connect.Spec for introspection by @emcfarlane in #629
• Add support for dynamic message types via message initializers by @emcfarlane in #640

Bugfixes

• Type URLs in error details can have any host and even include URI scheme by @jhump in #636
• Improve GET requests: clients should not include content headers, servers should disallow a body by @jhump in #644
• Fix mis-categorization of "deadline exceeded" errors by @jhump in #643

Other changes

• Improve test code and fix many sources of flakiness by @emcfarlane in #594, #624, #627, and #628
• Run conformance tests in CI by @jhump in #642
• Internal refactoring to support future robustness improvements by @emcfarlane in #646

Full Changelog: v1.12.0...v1.13.0