When would you tackle the current G9 branches, move them to 10?

Walter
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> On Oct 7, 2026, at 12:48 PM, James Daugherty via dev <[email protected]> 
> wrote:
> 
> For #1, I think the only addition is we would ship the 2 PRs from scott on
> 4.1 related to Json changes in 9.0.  Otherwise, no other major changes
> other than possibly forge conversion & what's in 8.1 already.
> 
> Otherwise, I'm +1 for this.
> 
> 
> 
>> On Wed, Oct 7, 2026 at 11:57 AM James Fredley <[email protected]>
>> wrote:
>> 
>> Hi all,
>> 
>> This is a follow-up to the earlier thread and to today's weekly meeting.
>> This is a discuss thread, not a vote. The goal is to settle the language
>> for a follow-up [VOTE] on the next several Grails lines.
>> 
>> Grails 8.0.0 is out (Groovy 5, Spring Boot 4.1). Work toward Groovy 6 is
>> already on the 9.0.x line, and Apache Groovy 6.0.0 is out. Groovy 7 work
>> has already started: https://github.com/apache/groovy
>> 
>> Please comment on the plan and on the wording. If you want to change the
>> language, copy the whole proposal block below, paste it into your reply,
>> and edit it there. Do not send a partial rewrite or a diff of a
>> sentence. A full replacement block is what we will carry into the vote.
>> If you agree with the block as written, a +1 on this thread is enough.
>> Discussion on this thread is not a binding vote.
>> 
>> PROPOSAL (copy this whole block if you want to change the language)
>> 
>> 1. Grails 9.0.x
>>    1. Merge the 8.1.x branch up into the 9.0.x branch.
>>    2. Do not release 8.1.x. Skip that line.
>>    3. Ship 9.0.x as a lighter release: bring Grails current with
>> Groovy, without waiting on the next Spring Boot line.
>>    4. Base it on Groovy 6.
>>    5. Turn invokedynamic on.
>>       1. Turning invokedynamic off is not a viable default. In Groovy
>> 6.0.0 the classic call-site implementation has moved out of groovy-core
>> into the separate groovy-callsite module, and that surface is on a path
>> to deprecation. Core dispatch already uses invokedynamic.
>>    6. Target 9.0.0 for the end of November 2026.
>>    7. This release catches Grails up to Groovy. Apache Groovy 7 work
>> has already started: https://github.com/apache/groovy
>> 
>> 2. Grails 10 (the line previously discussed as 9.1.x)
>>    1. Rename the planned 9.1.x line to 10.
>>    2. Base it on Groovy 6 and Spring Boot 4.2.
>>    3. Target 2027 Q1. Aim to release within one month of Spring Boot
>> 4.2. That window is tight because of existing time commitments.
>>    4. Use the major version bump so the release can carry material
>> breaking changes and move the framework forward.
>> 
>> 
>> James
>> 

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