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Comment by heelix | Hacker News Reader

Adopt OpenJDK did have the LTS releases. They rebranded last release - https://adoptium.net. The quarterly updates to Java 8, 11, and now 17 are all there, and up till then, been pulling 8/11 from Adopt OpenJDK's site.

All in all, not much different. The last release was a bit of a kerfuffle, as they migrated web sites.

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From the Adoptium FAQ:

> This is the project and brand name for the binaries that the Eclipse Foundation produces. You can think of these as the successor binaries to AdoptOpenJDK.

The current LTS versions are 8, 11 and 17. Supported platforms include arm32 (Linux), aarch64 (Linux & macOS), x64 (Windows, Alpine & Linux w/ glibc) and x86 (Linux).

AdoptOpenJDK used to provide OpenJ9 binaries, are those gone now with Adoptium?

I did find some OpenJ9 github site which mentioned they could not provide binaries any more, but I don't really understand why.

Correct, they've dropped OpenJ9 support during the rebranding.

As to the reason why, apparently Oracle revoked their TCK[0] license[1].

0. https://en.wikipedia.org/wiki/Technology_Compatibility_Kit

1. https://twitter.com/volker_simonis/status/105261065466907443...

See this Reddit thread for more background:

https://old.reddit.com/r/java/comments/l5m3p6/eclipse_to_hos...

IBM offers OpenJ9 binaries under the Semaru name here: https://developer.ibm.com/languages/java/semeru-runtimes

LTS means active support (call/email to fix issue), what Adopt does is just builds from branches that receive commits/fixes from other vendors/people.

They don't have TCK, they do their own tests on the builds. But you could probably do such builds yourself, everyone has access to openjdk github repo.

I would call it more like Long Term Build.

That one HN comment that recommended JDK engines explicitly warned against Eclipse. Not sure if it still applies with the AdoptOpenJDK -> Eclipse migration

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