RFR: clarify how to set the affects versions [v4]

[calnan]

On Tue, 20 Feb 2024 06:39:17 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> calnan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   updates from feedback
>
> src/guide/jbs-jdk-bug-system.md line 213:
> 
>> 211:   * In addition to the version where the bug was found, take special care to also investigate if the bug affects mainline.
>> 212:    * See [Indicating what releases an issue is applicable to](#indicating-what-releases-an-issue-is-applicable-to) for more details
>> 213:   * For enhancements the [Affects Version]{.jbs-field} should be empty unless you feel that it is only relevant to a particular release family, and should not go into a future mainline release.
> 
> Given that we generally don't apply enhancements to update releases, and that when we do they are usually backports, then this seems such a rare occurrence as to not be worth mentioning. Possibly the only case I can think of that might be classified as an enhancement would be where an update release eventually drops support for something that was already dropped in a future release.

I think that the clarification is worthwhile in that when discussing the model this has been brought up a couple of times - what enhancements for an update aren't common they do occur although they can be related to the production vs. the contents of a releaase

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PR Review Comment: https://git.openjdk.org/guide/pull/119#discussion_r1506240654