4.x: Add optional build/test for future JDKs (#8077) * 4.x: Add optional build/test for future JDKs * try temurin builds * use toolchain override * Run Gradle on 26, invoke toolchain for 27 * Minor log fix * hope gradle runs on 26 * Don't run jacoco on EA as it breaks its assembly parser * another attempt at running Gradle on 26 and code on 27 * Fix jacoco again * fix java home * No jacoco for experimentals

4.x: Add optional build/test for future JDKs (#8077) * 4.x: Add optional build/test for future JDKs * try temurin builds * use toolchain override * Run Gradle on 26, invoke toolchain for 27 * Minor log fix * hope gradle runs on 26 * Don't run jacoco on EA as it breaks its assembly parser * another attempt at running Gradle on 26 and code on 27 * Fix jacoco again * fix java home * No jacoco for experimentals

4.x: Upgrade to Java 26 baseline compilation, test isolation (#8074)

Update README.md to show our fancy openssf badge

4.x: Report back test failures in a readable manner for PRs/Snaps (#8066) * 4.x: Report back test failures in a readable manner for PRs/Snaps * gradle_pr.yml `test_failures` -> `test failures`

4.x: Intro Schedulers.virtual(), deprecate Schedulers.io(), fix tests (#8051) * 4.x: Intro Schedulers.virtual(), deprecate Schedulers.io(), fix tests * Add TCK tests, fix other tests

Update release-notify-x.yml

Create release-notify-x.yml Don't want to manually post on X every time there is a release...

org.reactivestreams -> java.util.concurrent.Flow in docs

Merge branch '4.x' of https://github.com/ReactiveX/RxJava into 4.x

Update push_javadoc.sh make the 4.x/javadoc directory if doesn't exist

4.x: Hide documentation in sealed interfaces [1/x] (#8028) * 4.x: Hide documentation in sealed interfaces [1/x] This should reduce the file size of the main classes while also keeping docks in IDEs. * Fix a couple of lint and other generics issues * Finally fix checkstyle.

Include avatar and ping

Fix discord announce

Isolate a flaky parallel test

Ridiculous checkstyle :(

Update build.gradle Add JPMS module version Related: #7906

Update build.gradle Add JPMS module version Related: #7906

3.x: Fix ReplaySubject termination-subscription race emitting wrongly (#7879)

3.x: Fix ReplaySubject termination-subscription race emitting wrongly (#7879)