diff --git a/CHANGELOG.md b/CHANGELOG.md index 7425f572b44..a5e386a30d0 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -11,19 +11,63 @@ For Helidon 2.x releases please see [Helidon 2.x CHANGELOG.md](https://github.co For Helidon 1.x releases please see [Helidon 1.x CHANGELOG.md](https://github.com/oracle/helidon/blob/helidon-1.x/CHANGELOG.md) -## [4.0.0] - -* WebServer no longer falls back to the default routing for additional sockets (in Helidon SE) -* Introduced `ServerFeature` concept, server feature can access routing builders for all sockets on WebServer -* SecurityFeature is now a WebServer feature -* ContextFeature is now a WebServer feature -* ObserveFeature is now a WebServer feature -* OpenApiFeature is now a WebServer feature -* CorsFeature is a new WebServer feature -* TracingFeature is now an observability feature -* Features use common config dependency - can still pass `io.helidon.Config` instance to them, only changes in SPI -* Metrics in SE endpoint is permitted to all, unless `metrics.permit-all` is set to `false` -* OpenAPI in SE endpoint is permitted to all, unless `openapi.permit-all` is set to `false` +## [4.0.0-RC2] + +This is the second RC build of Helidon 4.0.0 and is intended as a preview release only. Do not use this release in production. It is suitable only for experimentation. APIs are subject to change. Documentation is incomplete. And some functionality is experimental. + +The big news in Helidon 4.0.0 is the introduction of Helidon Níma -- a ground up webserver implementation based on JDK Project Loom virtual threads. With Helidon 4 you get the high throughput of a reactive server with the simplicity of thread-per-request style programming. + +Java 21 is required to use Helidon 4.0.0-RC2. + +### CHANGES + +- Config: Replace usage of Priority with Weight in helidon-config [7776](https://github.com/helidon-io/helidon/pull/7776) +- JPA: Fixes a jar-only URL resolution bug [7748](https://github.com/helidon-io/helidon/pull/7748) +- JPA: Remove exclusion of jandex dependency now that hibernate has been upgraded [7778](https://github.com/helidon-io/helidon/pull/7778) +- JPA: Switches default JPA CDI portable extension to PersistenceExtension from JpaExtension [7719](https://github.com/helidon-io/helidon/pull/7719) +- Logging: Fix SLF4J binding for annotation processors [7706](https://github.com/helidon-io/helidon/pull/7706) +- Metrics: Reinstate exemplar support [7760](https://github.com/helidon-io/helidon/pull/7760) +- Native-image: Adjusts paths to native-image.properties files in two projects to conform to the native-maven-plugin requirements as reported by the plugin [7746](https://github.com/helidon-io/helidon/pull/7746) +- Native-image: Native image update [7711](https://github.com/helidon-io/helidon/pull/7711) +- OpenAPI: Add openapi-ui submodule directory to the integrations module list [7766](https://github.com/helidon-io/helidon/pull/7766) +- OpenAPI: Renamed openapi/openapi-ui back to integrations/openapi-ui [7761](https://github.com/helidon-io/helidon/pull/7761) +- Remove preview from features that are now considered production [7688](https://github.com/helidon-io/helidon/pull/7688) +- TLS: Partial fix for issue #7698 - TlsManager support for client-side [7699](https://github.com/helidon-io/helidon/pull/7699) +- Tracing: Decrease DEFAULT_SCHEDULE_DELAY time for JaegerTracerBuilder [7726](https://github.com/helidon-io/helidon/pull/7726) +- Tracing: Migrate opentracing to Helidon Tracing [7708](https://github.com/helidon-io/helidon/pull/7708) +- WebServer: Empty path [7770](https://github.com/helidon-io/helidon/pull/7770) +- WebServer: Fix small mistakes [7757](https://github.com/helidon-io/helidon/pull/7757) +- WebServer: HTTP2 concurrent streams check [7697](https://github.com/helidon-io/helidon/pull/7697) +- WebServer: Move SSL handshake logic from listener thread to connection thread [7764](https://github.com/helidon-io/helidon/pull/7764) +- WebServer: Update HttpRules API to not have varargs with generics [7687](https://github.com/helidon-io/helidon/pull/7687) +- WebServer: named routing [7705](https://github.com/helidon-io/helidon/pull/7705) +- WebServer: Server Features [7777](https://github.com/helidon-io/helidon/pull/7777) +- Build: Fix build noise [7740](https://github.com/helidon-io/helidon/pull/7740) +- Build: Java 21 follow up [7732](https://github.com/helidon-io/helidon/pull/7732) +- Build: release updates [7682](https://github.com/helidon-io/helidon/pull/7682) +- Dependencies: Upgrade ASM version used by plugins to 9.5 [7677](https://github.com/helidon-io/helidon/pull/7677) +- Dependencies: Upgrade Weld and ClassFileWriter [7720](https://github.com/helidon-io/helidon/pull/7720) +- Dependencies: Upgrade okhttp3. Use OCI SDK BOM [7712](https://github.com/helidon-io/helidon/pull/7712) +- Dependencies: Upgrade parsson to 1.1.3 [7691](https://github.com/helidon-io/helidon/pull/7691) +- Dependencies: Upgrade to Microstream 08.01.01-MS-GA and other minor things [7752](https://github.com/helidon-io/helidon/pull/7752) +- Dependencies: Upgrades Hibernate to version 6.3.1.Final [7742](https://github.com/helidon-io/helidon/pull/7742) +- Dependencies: Upgrades ojdbc8 to 21.4.0.0 and fixes JAXP parser conflict [7762](https://github.com/helidon-io/helidon/pull/7762) +- Deprecations: Remove older deprecated methods and types. [7728](https://github.com/helidon-io/helidon/pull/7728) +- Docs: Add Helidon Connector to sitegen.yaml [7767](https://github.com/helidon-io/helidon/pull/7767) +- Docs: global config [7681](https://github.com/helidon-io/helidon/pull/7681) +- Docs: Fix occurences of reactive in the docs [7684](https://github.com/helidon-io/helidon/pull/7684) +- Docs: Fixes user-reported typo in persistence guide [7750](https://github.com/helidon-io/helidon/pull/7750) +- Docs: Initial documentation for the new Helidon connector. [7641](https://github.com/helidon-io/helidon/pull/7641) +- Docs: Makes it more clear in documentation that persistence.xml files are application-level concerns, not component-level concerns [7771](https://github.com/helidon-io/helidon/pull/7771) +- Docs: Reactive streams doc alignment #6458 [7723](https://github.com/helidon-io/helidon/pull/7723) +- Docs: Update maven, gradle, jlink, native-image guides [7704](https://github.com/helidon-io/helidon/pull/7704) +- Docs: updates to the general doc [7673](https://github.com/helidon-io/helidon/pull/7673) +- Examples: Fix several issue in archetype and add `native-image.properties` to generated projects [7731](https://github.com/helidon-io/helidon/pull/7731) +- Examples: Remove unnecessary metrics dependencies MP quickstart archetype [7710](https://github.com/helidon-io/helidon/pull/7710) +- Examples: Update quickstart examples to use microprofile-core bundle [7772](https://github.com/helidon-io/helidon/pull/7772) +- Examples: Verify Starter with 4.x archetypes [7775](https://github.com/helidon-io/helidon/pull/7775) +- Tests: Move webserver/benchmark/jmh to tests/benchmark/jmh [7690](https://github.com/helidon-io/helidon/pull/7690) +- Tests: Temporarily disable unit test in example due to intermittent pipeline failures [7765](https://github.com/helidon-io/helidon/pull/7765) ## [4.0.0-RC1] @@ -752,6 +796,7 @@ Helidon 4.0.0 is a major release that includes significant new features and fixe - MicroProfile: MP path based static content should use index.html (4.x) [4737](https://github.com/oracle/helidon/pull/4737) - Build: 4.0 version and poms [4655](https://github.com/oracle/helidon/pull/4655) +[4.0.0-RC2]: https://github.com/oracle/helidon/compare/4.0.0-RC1...4.0.0-RC2 [4.0.0-RC1]: https://github.com/oracle/helidon/compare/4.0.0-M2...4.0.0-RC1 [4.0.0-M2]: https://github.com/oracle/helidon/compare/4.0.0-M1...4.0.0-M2 [4.0.0-M1]: https://github.com/oracle/helidon/compare/4.0.0-ALPHA6...4.0.0-M1