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Hamcrest v3.1 #417
Description
This issue is for planning and discussion of features and fixes that will go into Hamcrest v3.1
Included:
- Derive version from git #419
- Javadoc cleanup #420
- java.util.Optional matchers #421
- Allow matching against polymorphic collections #422
- Implement matchers for thrown exceptions in
Runnable#423 - Migrate all tests to JUnit Jupiter #424
Candidates:
- Clarify difference between
MatchersandCoreMatchers - Add JVM compatibility table
- Publish to Maven Central using GitHub Actions #416
- Java 8 Supporting Language Features #206
- IsUnmodifiableCollection matcher feature #249, fix for JDK 17 #381
- GraalVM Native Image support #403
- Add file content matcher to FileMatchers #345
See also:
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jstewmon commentedon Oct 17, 2024
👋 I'm interested in trying out the changes from #422 in a project where the currently released generic constraints are troublesome. How do you feel about a 3.1-rc (or any qualifier) release to get some feedback on the proposed set of changes?
FWIW the generic signature changes will be breaking in my project, but I expect them to be trivial to fix.
I'm also game for trying 4.0-rc if you're leaning towards releasing #422 in 4.0.
tumbarumba commentedon Oct 18, 2024
Thanks @jstewmon!
I'll want to avoid publishing a releasing release candidate just yet. I remember I had a breaking change when I was doing
v2.1-rc1, and it broke the CI for a number of downstream projects that were just pulling the latest release, even though it was just a release candidate. However, I'll have a go at releasing a snapshot release (v3.1-SNAPSHOT). Hopefully that will give you a chance to have a play. I'll look at doing that this weekend.tumbarumba commentedon Oct 18, 2024
Well, that was easy. All I needed to do was run
./gradlew publishAllPublicationsToMavenRepository.@jstewmon the snapshot jars are available at the Maven Central snapshot repository (see https://oss.sonatype.org/content/repositories/snapshots/org/hamcrest/hamcrest/3.1-SNAPSHOT/). I'd really like to hear how it works out for you.
erikmaas-malmberg commentedon Apr 15, 2025
When is the 3.1 version supposed to be released?
As it is right now, the 3.0 version was released quite a while back, and there are certain great features already merged.
drnow4u commentedon Apr 13, 2026
Hi everyone 👋
Thank you for all the work on Hamcrest! May I kindly ask whether the project is still actively maintained?
Just trying to understand the current status and future plans. Thanks again for your efforts!
OrangeDog commentedon Aug 25, 2026
It's now been two years since the last release. Do we need to sort out a new maintained fork?