v5.4.0 Released.

1. Abstract

These releases contains bug-fixes, performance enhancements and new feature so we encourage everyone to upgrade. For the details and all changes, please browse our issue and pr for 5.4.0.

The most important changes are:

• Integrate with SOFATracer.
• Integrate with SOFALookout.
• Support HTTP/2.

2. Compatibility Note

There are no incompatible APIs.

3. New Feature

• #127 Integrate with sofa-lookout for support metrics 2.0. @NeGnail
• #131 Integrate with sofa-tracer for support opentracing. @ujjboy @leizhiyuan
• #138 Support HTTP/2 protocol. @ujjboy

4. Enhancement

• #47 Need use RpcInternalContext when subscribe event asynchronously. @ujjboy
• #49 Support protobuf serialization in the env of multiple class loader. @ujjboy
• #70 Set interface name to SofaRequest when deserialize request. @ujjboy
• #79 Set default proxy to javassist. @ujjboy
• #85 Make all the thread name start with SOFA. @liangyuanpeng
• #88 Make the responsibilities of ProviderInfo more clearer. @ujjboy
• #94 Set default bootstrap to sofa. @ujjboy
• #95 Remove version from the keywords of service name. @ujjboy
• #100 Support data of configs and overrides from zookeeper registry. @SteNicholas
• #105 Delete duplicate code of setFuture(). @stateIs0
• #106 Aggregate caches for better cache management. @ujjboy
• #116 Refactor the serializer of hessian and protobuf. @ujjboy
• #121 Add debug log of the measurement result details. @NeGnail
• #129 Client transport decides to support reusable by itself. @ujjboy
• #137 Use embedded zookeeper for integration test. @leizhiyuan
• #147 Upgrade netty version to 4.1.25.Final. @ujjboy

5. Bug Fix

• #125 Adjust the order of events and record elapsed time when async invoke. @ujjboy

6. Deprecated

• #116 Delete field serializeFactoryType from SofaRequest because it is only used by Hessian. @ujjboy
• #129 Remove reusable holder from ClientTransportFactory, Remove interface config from RpcInternalContext. @ujjboy