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@dpkp dpkp released this 03 Apr 13:52
· 153 commits to master since this release
1.4.6
be7f935

1.4.6 (Apr 2, 2019)

This is a patch release primarily focused on bugs related to concurrency,
SSL connections and testing, and SASL authentication.
Major thanks to @pt2pham , @isamaru , @braedon , @gingercookiemage , for submitting
PRs to help fix many of these issues. And major thanks to everyone that
submitted bug reports and issues. And thanks always to @jeffwidman and @tvoinarovskyi for code
reviews, comments, testing, debugging, and helping to maintain this project!

Client Concurrency Issues (Race Conditions / Deadlocks)

  • Fix race condition in protocol.send_bytes (isamaru / PR #1752)
  • Do not call state_change_callback with lock (dpkp / PR #1775)
  • Additional BrokerConnection locks to synchronize protocol/IFR state (dpkp / PR #1768)
  • Send pending requests before waiting for responses (dpkp / PR #1762)
  • Avoid race condition on client._conns in send() (dpkp / PR #1772)
  • Hold lock during client.check_version (dpkp / PR #1771)

Producer Wakeup / TimeoutError

  • Dont wakeup during maybe_refresh_metadata -- it is only called by poll() (dpkp / PR #1769)
  • Dont do client wakeup when sending from sender thread (dpkp / PR #1761)

SSL - Python3.7 Support / Bootstrap Hostname Verification / Testing

  • Wrap SSL sockets after connecting for python3.7 compatibility (dpkp / PR #1754)
  • Allow configuration of SSL Ciphers (dpkp / PR #1755)
  • Maintain shadow cluster metadata for bootstrapping (dpkp / PR #1753)
  • Generate SSL certificates for local testing (dpkp / PR #1756)
  • Rename ssl.keystore.location and ssl.truststore.location config files (dpkp)
  • Reset reconnect backoff on SSL connection (dpkp / PR #1777)

SASL - OAuthBearer support / api version bugfix

  • Fix 0.8.2 protocol quick detection / fix SASL version check (dpkp / PR #1763)
  • Update sasl configuration docstrings to include supported mechanisms (dpkp)
  • Support SASL OAuthBearer Authentication (pt2pham / PR #1750)

Miscellaneous Bugfixes

  • Dont force metadata refresh when closing unneeded bootstrap connections (dpkp / PR #1773)
  • Fix possible AttributeError during conn._close_socket (dpkp / PR #1776)
  • Return connection state explicitly after close in connect() (dpkp / PR #1778)
  • Fix flaky conn tests that use time.time (dpkp / PR #1758)
  • Add py to requirements-dev (dpkp)
  • Fixups to benchmark scripts for py3 / new KafkaFixture interface (dpkp)
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