What's Changed
- Issue #6566: Use CallableResolver to get the callback we want to use in batch by @marcoliverteschke in #6571
- Revert "Issue #6566: Use CallableResolver to get the callback we want to use in batch" by @weitzman in #6574
- 6566 batch callbacks services 13.x by @marcoliverteschke in #6576
Full Changelog: 13.7.3...13.7.4