4.0.1

• Properly require Python >= 3.11.
  The previous release had a wrong requirement set unfortunately.

4.0.0

• Breaking change: drop support for 3.8, 3.9 and 3.10.
• Catch errors on TCP/UDP socket closing to prevent requeuing of events
  (#98, #100).
• Add new setting to configure batch sizes for Beats transport (#93).
• Support URL path in HttpTransport (#103, Seyyed Mohammad Borghei).
• LogstashFormatter: Move top_level_field_set creation to init
  to ease setting FORMATTER_LOGSTASH_MESSAGE_FIELD_LIST after
  importing the formatter class (#96, #97, feliixx).

3.0.0

• Add ECS (Elastic Common Schema) formatter support (#91, Andrii Lahuta).
• On closing UDP/TCP socket, make sure it is reset (#89, #92).
• Ensure to not check for socket write buffer if disabled.

2.7.2

• Implement get_non_flushed_event_count() for MemoryCache (#88).

2.7.1

• Wait for empty socket write buffer only if "fnctl" is available (#82).
• Wait at most 30s for empty socket write buffer (#83).
• Read pending events from database on startup for immediate flushing (#85).

2.7.0

• Add a wait until all data is sent, before closing socket on TCP
  transport (#81, Alisher Nazarkhanov).
• Explicitly shutdown the socket connection in Udp/TcpTransport to
  prevent peer connection errors.
• Implement optional database VACUUM on shutdown (#80).

2.6.0

• Load certificate chain only if a certificate was specified (#79).
• Handle network errors raised by "requests" in HttpTransport (#75).

2.5.0

• Handle database disk errors (#72, Peter Mazarovich).
• Use Python's PriorityQueue to reduce memory consumption
  (#73, Peter Mazarovich).

2.4.0

• Update link to docs for rate limit string notation (#70, Garrett Hyde).
• Log connection and network errors as warnings (#71).
• Fix support for Django 4.0 by using Request.build_absolute_uri().
• Use datetime as column type for "entry_date" in database.

2.3.0

• Consider set also as sequence type when formatting events.
• Improve formatter performance by converting simple types first (#64, Johann Schmitz).
• Migrate from ssl.wrap_socket() to SSLContext.wrap_socket().