4.1.0

• Fix handling already closed sockets on shutdown
• Support setting "ssl_verify_flags" to override Python's default

4.0.2

• Fix hang on socket errors by not using the logging system
• Do not try to "shutdown" UDP sockets (#107, #108).

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).