0.29.0

Added

• Tracer health metrics (#838, #859)

Changed

• Default trace buffer size from 100 to 1000 (#865)
• Rack request start headers to accept more values (#832) (@JamesHarker)
• Faraday to apply default instrumentation out-of-the-box (#786, #843) (@mdross95)

Fixed

• Synthetics trace context being ignored (#856)

Refactored

• Tracer buffer constants (#851)

Removed

• Some old Ruby 1.9 code (#819, #844)

Read the full changeset and the release milestone.