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Changes by Version

Release Notes.

8.0.1

OAP-Backend

  • Fix no-init mode is not working in ElasticSearch storage.

8.0.0

Project

  • v3 protocol is added and implemented. All previous releases are incompatible with 8.x releases.
  • Service, Instance, Endpoint register mechanism and inventory storage entities are removed.
  • New GraphQL query protocol is provided, the legacy procotol is still supported(plan to remove at the end of this year).
  • Support Prometheus network protocol. Metrics in Prometheus format could be transferred into SkyWalking.
  • Python agent provided.
  • All inventory caches have been removed.
  • Apache ShardingSphere(4.1.0, 4.1.1) agent plugin provided.

Java Agent

  • Add MariaDB plugin.
  • Vert.x plugin enhancement. More cases are covered.
  • Support v3 extension header.
  • Fix ElasticSearch 5.x plugin TransportClient error.
  • Support Correlation protocol v1.
  • Fix Finagle plugin bug, in processing Noop Span.
  • Make CommandService daemon to avoid blocking target application shutting down gracefully.
  • Refactor spring cloud gateway plugin and support tracing spring cloud gateway 2.2.x

OAP-Backend

  • Support meter system for Prometheus adoption. In future releases, we will add native meter APIs and MicroMeter(Sleuth) system.
  • Support endpoint grouping.
  • Add SuperDataSet annotation for storage entity.
  • Add superDatasetIndexShardsFactor in the ElasticSearch storage, to provide more shards for @SuperDataSet annotated entites. Typically TraceSegment.
  • Support alarm settings for relationship of service, instance, and endpoint level metrics.
  • Support alarm settings for database(conjecture node in tracing scenario).
  • Data Model could be added in the runtime, don't depend on the bootstrap sequence anymore.
  • Reduce the memory cost, due to no inventory caches.
  • No buffer files in tracing and service mesh cases.
  • New ReadWriteSafe cache implementation. Simplify codes.
  • Provide default way for metrics query, even the metrics doesn't exist.
  • New GraphQL query protocol is provided. Support the metrics type query.
  • Set up length rule of service, instance, and endpoint.
  • Adjust the default jks for ElasticSearch to empty.
  • Fix Apdex function integer overflow issue.
  • Fix profile storage issue.
  • Fix TTL issue.
  • Fix H2 column type bug.
  • Add JRE 8-14 test for the backend.

UI

  • UI dashboard is 100% configurable to adopt new metrics definited in the backend.

Document

  • Add v8 upgrade document.
  • Make the coverage accurate including UT and e2e tests.
  • Add miss doc about collecting parameters in the profiled traces.

CVE

  • Fix SQL Injection vulnerability in H2/MySQL implementation.
  • Upgrade Nacos to avoid the FastJson CVE in high frequency.
  • Upgrade jasckson-databind to 2.9.10.

All issues and pull requests are here

7.0.0 release

You could find all CHANGES of 7.0.0 at here

6.x releases

You could find all CHANGES of 6.x at here

5.x releases

You could find all CHANGES of 5.x at here