Important
- Fixes a potential memory leak when spans are created and not finished (since
0.5.0) #423
Improvements
- Netty 4.0+ instrumentation enabled by default #455, #456
- Apache HttpClient instrumentation has better error handling #417
- HttpUrlConnection instrumentation now separates connect, input, and output #425
- Spring Web and Jax-RS now have a separate span for the controller execution #430, #435
- Also includes a span for rendering responses
- Replaced use of synchronized WeakMap's with
WeakConcurrentMap#428 - Added runtime reference checks to ensure instrumentation is safe to apply #422, #427, #441, #447,
Bug Fixes