{"full_name":"ReactiveX/RxJava","owner":"ReactiveX","name":"RxJava","url":"https://github.com/ReactiveX/RxJava","description":"RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.","homepage":"https://dsc.gg/rxjava","topics":[],"language":"Java","license":"Apache-2.0","avatar":"https://avatars.githubusercontent.com/u/6407041?v=4","created_at":"2013-01-08T20:11:48Z","pushed_at":"2026-11-10T09:03:57Z","metrics":{"stars":48154,"forks":7571,"watchers":2143,"issues":3291,"prs":4365,"releases":267,"issues_open":null,"issues_closed":null,"prs_open":null,"prs_closed":null,"prs_merged":null,"discussions":0},"growth":{"day":{"stars":1,"forks":-2,"base_day":"2026-11-09"}},"history":{"dates":["2026-11-09","2026-11-10"],"stars":[48153,48154],"forks":[7573,7571],"watchers":[2143,2143],"issues_open":[null,null],"prs_open":[null,null]},"boards":{},"same_owner":[{"full_name":"ReactiveX/RxAndroid","name":"RxAndroid","boards":{}},{"full_name":"ReactiveX/RxSwift","name":"RxSwift","boards":{}}],"issues":[{"number":6132,"title":"Update wiki to reflect 4.x (tracking issue)","comments":23,"created_at":"2018-08-03T11:51:07Z"},{"number":7422,"title":"Feature Request: Add unfold construct to Flowable/Observable","comments":17,"created_at":"2022-05-26T00:54:26Z"},{"number":5813,"title":"4.x: Flowable missing or incorrect marbles (tracking issue)","comments":5,"created_at":"2018-01-17T12:35:17Z"},{"number":8075,"title":"4.x: Separate `TestHelper.race` uses so they can run `@Isolated`","comments":4,"created_at":"2026-03-25T14:54:03Z"},{"number":7912,"title":"4.x: Cache/Replay operators to be more GC friendly","comments":3,"created_at":"2025-10-02T16:35:52Z"},{"number":7548,"title":"Feature Request: Add `Observable.usingWhen()` for resources generated by a `Publisher`","comments":3,"created_at":"2023-03-25T04:12:57Z"},{"number":6931,"title":"4.x: parallel performs poorly with 10+ parallelism","comments":3,"created_at":"2020-03-11T07:59:17Z"},{"number":7956,"title":"Fragile window abandonment during concatMap operations; silent data loss","comments":2,"created_at":"2026-01-30T20:01:52Z"}],"discussions":[],"latest_release":{"name":"v4.0.0-alpha-21","tag":"v4.0.0-alpha-21","published_at":"2026-08-05T09:19:33Z","body":"## What's Changed\r\n* Revise CONTRIBUTING.md for branch targeting and AI guidelines by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8248\r\n* Fix FlowableCache GC issue by @DragonFSKY in https://github.com/ReactiveX/RxJava/pull/8249\r\n* Add support for JDK 28 in Gradle workflow by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8251\r\n* 4.x: Move TestHelper.race tests into @Isolated classes (flatMap/mergeWith batch) (#8075) by @oaksprout in https://github.com/ReactiveX/RxJava/pull/8253\r\n* 4.x: Streamable optimizations 2026.07.21 by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8254\r\n* Move TestHelper.race tests into @Isolated classes: batch 2 (#8075) by @oaksprout in https://github.com/ReactiveX/RxJava/pull/8257\r\n* Fix a privilege escalation vulnerability and spam potential via untrusted code execution in the entropy scan. by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8262\r\n* Change workflow trigger from pull_request to pull_request_target by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8264\r\n* Update GitHub Actions workflow for comment posting by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8266\r\n* 4.x: Fix Streamable.fromStream not closing the Stream by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8267\r\n* Update README to reflect recent changes and removals  by @akarnokd in https://github.com/ReactiveX/RxJava/pull/8265\r\n\r\n## Dependabot\r\n* chore(deps): bump github/codeql-action/upload-sarif from 4.37.1 to 4.37.2 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8243\r\n* chore(deps): bump github/codeql-action/upload-sarif from 4.37.2 to 4.37.3 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8244\r\n* chore(deps): bump ossf/scorecard-action from 2.4.3 to 2.4.4 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8245\r\n* chore(deps): bump trufflesecurity/trufflehog from 3.95.9 to 3.96.0 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8246\r\n* chore(deps): bump actions/setup-java from 5.6.0 to 5.7.0 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8256\r\n* chore(deps): bump github/codeql-action/upload-sarif from 4.37.3 to 4.37.4 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8255\r\n* chore(deps): bump gradle/actions/wrapper-validation from 6.2.0 to 6.3.0 by @dependabot[bot] in https://github.com/ReactiveX/RxJava/pull/8261\r\n\r\n## New Contributors\r\n* @DragonFSKY made their first contribution in https://github.com/ReactiveX/RxJava/pull/8249\r\n* @oaksprout made their first contribution in https://github.com/ReactiveX/RxJava/pull/8253\r\n\r\n**Full Changelog**: https://github.com/ReactiveX/RxJava/compare/v4.0.0-alpha-20...v4.0.0-alpha-21"},"readme":true,"readme_zh":false,"news":[],"stale":false,"snapshot_at":"2026-11-10T09:35:25Z","history_start":"2026-09-06"}