Added

• Core: Support agentless telemetry (#3779)
• Tracing: Add support for span events (#3776)
• Tracing: Add tags to enable inferred service dependencies for databases (#3789)
• Tracing: Emit log message and instructions for incompatible Lograge setup (#3812, #3839)
• Tracing: Add append_comment option to append SQL comment propagation for mysql, pg and trilogy (#3809)
• AppSec: Add threat detection and protection for graphql (#3769, #3814)

Changed

• Core: Enable crashtracking by default (#3826)
• Profiling: Reduce allocation overhead (#3805, #3797)
• Profiling: Speed up stack sampling (#3837)
• Profiling: Upgrade to libdatadog 11 (#3799)
• Profiling: Disable allocation counting feature by default (#3798)
• Profiling: Reduce the maximum biased result for allocation samples (#3793)
• Tracing: Reduce noisy integration logs (#3785)

Fixed

• Tracing: Fix require issue for graphql (#3813)
• AppSec: Fix an error when parsing http headers with integer value (#3790)
• AppSec: Fix an error when tracking login failure without user_id (#3841)
• Fix a syntax error for Ruby < 2.4 during single step instrumentation (#3795)

Read the full changeset and the release milestone.