RFR: Section on release notes [v9]

Tue Mar 22 00:31:24 UTC 2022

On Tue, 22 Mar 2022 00:20:39 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

>> The meat of the procedure here was inspired by Daniel Fuchs' comment in JDK-8273727.
>> [[JDK-8273727] (prop) Canonical property storage - Java Bug System](https://bugs.openjdk.java.net/browse/JDK-8273727?focusedCommentId=14448738&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14448738)
>
> Jesper Wilhelmsson has updated the pull request incrementally with three additional commits since the last revision:
> 
>  - Minor fixes.
>  - Update src/index.md
>    
>    Co-authored-by: calnan <69008917+calnan at users.noreply.github.com>
>  - Update src/index.md
>    
>    Co-authored-by: calnan <69008917+calnan at users.noreply.github.com>

Thank you Roger for your thorough review! All your changes has been applied or addressed.

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PR: https://git.openjdk.java.net/guide/pull/75