1.2.0

Added

• Add Postgres (pg gem) instrumentation (#2054) (@jennchenn)
• Add env var for debugging profiling native extension compilation issues (#2069)
• Teach Rest Client integration the :split_by_domain option (#2079) (@agrobbin)
• Allow passing request_queuing option to Rack through Rails tracer (#2082) (@KieranP)
• Add Utility to Collect Platform Information (#2097) (@jennchenn)
• Add convenient interface for getting and setting tags using [] and []= respectively (#2076) (@ioquatix)
• Add b3 metadata in grpc (#2110) (@henrich-m)

Changed

• Profiler now reports profiling data using the libddprof gem (#2059)
• Rename Kernel#at_fork_blocks monkey patch to Kernel#ddtrace_at_fork_blocks (#2070)
• Improved error message for enabling profiling when pkg-config system tool is not installed (#2134)

Fixed

• Prevent errors in action_controller integration when tracing is disabled (#2027) (@ahorner)
• Fix profiler not building on ruby-head (3.2) due to VM refactoring (#2066)
• Span and trace IDs should not be zero (#2113) (@albertvaka)
• Fix object_id usage as thread local key (#2096)
• Fix profiling not working on Heroku and AWS Elastic Beanstalk due to linking issues (#2125)

Read the full changeset and the release milestone.