Bug Fixes

• [CPP-991] Add support for extracting version info from OpenSSL 3.x in build output
• [CPP-987] cass_future_wait does not respect registered callback
• [CPP-990] Be clearer about installed dependencies, specifically around OpenSSL 3.0
• [CPP-988] cass_uuid_gen_time race condition generates duplicate uuidv1 keys
• [CPP-964] Add refresh-interval support for histogram metrics
• [PR #538] Prioritize ${OPENSSL_ROOT_DIR} over system paths (@diku89)
• [PR #535] Remove unreachable code (@SeverinLeonhardt)
• [PR #534] Fix signed/unsigned mismatch (@SeverinLeonhardt)
• [PR #533] Adapt MemoryOrder definition for C++ 20 (@SeverinLeonhardt)

Bug Fixes

• [CPP-942] Add docs on possibility of MITM attacks with cass_cluster_set_use_hostname_resolution()
• [CPP-955] Unable to use different memory allocators and profilers when using the cassandra driver
• [CPP-957] Update build/test platforms
• [CPP-919] CMake 3.16 deprecation warnings
• [PR #522] Iterate over all certificates in a trusted cert BIO, not just the first (@kw217)
• [PR #528] Add support for newer versions of LibreSSL (@gahr)
• [PR #525] Allow users to request TLS client-side enforcement (@FalacerSelene)

Bug Fixes

• [CPP-946] Core dump on unclean event loop shutdown
• [PR #513] Fix SNI events
• [PR #518] Replace deprecated function for OpenSSL >= 3.0

Bug Fixes

• [CPP-935] Latency aware policy never activates because minimum latency isn't updated for request processors

Features

• [PR #489] Add API to get/set coordinator node

Bug Fixes

• [CPP-924] Pure virtual function called when Session object is being destructed
• [PR #488] Only using a single resolved IP when connecting with hostname
• [PR #494] Use correct Host: header when calling metadata service (Astra)

Other

• [CPP-933] Reduce the log severity of protocol negotiation errors/warnings

Bug Fixes

• [CPP-922] Limit to TLS 1.2

Bug Fixes

• [CPP-917] Infinite loop in token map calculation when using SimpleStrategy and RF > number of
  nodes

Community

• Fix compatibility with OpenSSL 1.1 (SeverinLeonhardt)

Bug Fixes

• [CPP-747] Cannot connect to keyspace with uppercase characters
• [CPP-897] Simplify CMake build
• [CPP-913] Possible for a token map replica set for a given range to have duplicates
• [CPP-914] Possible for a WaitForHandler's on_set() method to be called after timeout/error

Other

• [CPP-847] Add CentOS 8 support
• [CPP-889] Duplicated entry for the DSE features documentation

Community

• Fix cflags when build with CASS_INSTALL_HEADER_IN_SUBDIR on (remicollet)
• Fix typo in RequestProcessorInitializer::internal_initialize (m8mble)

Features

• [CPP-865] Unified driver
  • We have open sourced and merged DataStax Enterprise (DSE) driver features
    into a single, open source driver that supports both Apache Cassandra and
    DataStax products. Note: DSE-specific driver features still require DSE.
    • Support for the DSE authentication mechanisms including plaintext and LDAP
      (via GSSAPI)
    • Support for geospatial types including POINT, LINESTRING, and POLYGON
  • Supporting JIRA issues
    • [CPP-864] Merge DSE into core driver
    • [CPP-867] Merge DSE docs into core driver
    • [CPP-866] Move DSE uses of external authentication provider to internal interfaces
    • [CPP-861] Add CASS_USE_KERBEROS option and return errors from dependent auth API functions

Bug Fixes

• [CPP-885] Fix filtering load balancing policies (and remove duplicated load balancing policy chain)
• [CPP-884] Deprecate pending request timeouts metric and remove unused internal logic
• [CPP-871] Fix SSL cleanup on error conditions in mockssandra
• [CPP-855] Fix C*/DSE protocol lowering attempts when cass_cluster_set_use_beta_protocol_version() is true

Other

• [CPP-220] Remove use of external Boost from unit and integration tests

Bug Fixes

• [CPP-849] Error result doesn't allow access to keyspace, table, and function
  data
• [CPP-851] Disable deprecated warnings for std::ptr_fun
• [CPP-879] Allow remote hosts to come back up even if policy ignores down hosts
  (community PR from kw217)

Other

• [CPP-220] Remove use of external Boost from unit and integration tests.
  • We ported all integration tests from Boost to Google test. This includes
    several JIRA issues included in the [CPP-220] epic.
• [CPP-853] Correct linking libraries for unix based OS when using
  CASS_USE_STATIC_LIBS=On
• [CPP-859] Remove vc_build.bat scripts and update building documentation
• [CPP-872] Fix GCC 9.2+ build
• [CPP-878] Correct compile flags for libraries and executable
• [CPP-882] Correct pthread compiler flag for older CMake versions

Community

• Fix build error when compiling without an SSL implementation (kmaragon)