[jdk21u-dev] RFR: 8343474: [updates] Customize README.md to specifics of update project [v2]

[Andrew Haley]

On Tue, 5 Nov 2024 08:50:13 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

>> Customize the README.md to jdk21u.
>> 
>> Plan is to backport this to 17 and maybe older jdks and adapt the paths etc correspondingly.
>> So let’s keep this sufficiently generic so that the information holds for jdkXu and jdkXu-dev
>> and that the change can easily be backported (by adapting 21->17 etc).
>> 
>> Should we put there more information?
>
> Goetz Lindenmaier has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Apply suggestions from code review
>   
>   Add changes proposed by Christoph.
>   
>   Co-authored-by: Christoph Langer <christoph.langer at sap.com>

README.md line 4:

> 2: 
> 3: JDK 21 updates are continuously developed in repository [jdk21u-dev](https://github.com/openjdk/jdk21u-dev).
> 4: Repository [jdk21u](https://github.com/openjdk/jdk21u) is used for rampdown of the update releases of jdk21u and only accepts critical changes that must make the next release during rampdown. (You probably do not want to target jdk21u).

Suggestion:

The JDK 21 Updates project uses two GitHub repositories.
Updates are continuously developed in the repository [jdk21u-dev](https://github.com/openjdk/jdk21u-dev). This is the repository usually targeted by contributors.
The [jdk21u](https://github.com/openjdk/jdk21u) repository is used for rampdown of the update releases of jdk21u and only accepts critical changes that must make the next release during rampdown. (You probably do not want to target jdk21u).

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PR Review Comment: https://git.openjdk.org/jdk21u-dev/pull/1118#discussion_r1836318293