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v1.13.4

vercel/streamdownv1.13.4Jul 18, 2026by boks1971

AI Summary

Introduces significant new features for SIP dialing, statistics gathering, and testing, while optimizing performance by moving ForwardStats aggregation off the critical packet forwarding path.

Key Highlights

  • Added mocking functions for SIP dialing methods
  • Added API methods to get forward stats and statistics
  • Added signal tests and drop-on-close scenarios to the test server
  • Moved ForwardStats aggregation off the packet forwarding path for performance
  • Added option to exclude local IPv6 candidates and log soft validation errors

New Features

  • SIP dialing mocking functions
  • Forward stats API method
  • IPv6 candidate exclusion option
  • Drop-on-close signal test scenario
  • Redaction flag in Job
  • IsConnectionCanceled availability at LocalParticipant interface

Full Release Notes

### Added

- added mocking function for SIP dialing methods (#4642)
- Add signal tests to test-server (#4653)
- Add option to exclude local IPv6 candidates. (#4657)
- Add a method to get forward stats via API method. (#4664)
- Add drop-on-close signal test scenario (#4669)
- Log soft validation errors. (#4671)
- add redaction flag in Job (#4650)

### Changed

- simpler mock protocol (#4641)
- Make IsConnectionCanceled available at LocalParticipant interface. (#4643)
- Update actions/checkout action to v7 (#4646)
- Update protocol. (#4648)
- Export migration to LocalParticipant interface. (#4652)
- Record final RTC state as success/failure. (#4658)
- Omit rtx/out-of-order packets from forwarding delay measurement. (#4659)
- Move ForwardStats aggregation off the packet forwarding path (#4660)
- protocol deps to get parallel exec alloc reduction (#4662)
- Update pion/ice to deal with hang on close. (#4672)
- Add more details to unreliable data channel drop error. (#4673)
- Record `rtc_success` prom as soon as RTC connects. (#4677)
- Use proto logger to get named enums in the logs. (#4679)
- Propagate spreader threshold to RED receivers. (#4683)
- Prefer QDisc.Stats till go-tc addresses QDisc.Stats2 parsing (#4685)
- Bump protocol version to fix call to Validate. (#4686)

### Fixed

- bound data-track buffering under downlink congestion (targetLatency) (#4667)
- Guard against nil TC qdisc stats to prevent SIGSEGV (#4668)
- Fix goroutine leak from orphaned signal relay streams (#4674)
- don't undercount data channel bitrate over idle gaps (#4676)
- Fix receiver load balance threshold initialization (#4678)
- rtc: guard against nil subscriber in TransportManager.HandleAnswer (#4680)
- Potential fix for code scanning alert no. 42: Incorrect conversion between integer types (#4684)