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Re: [jakartaee-platform-dev] [EXTERNAL] Re: Release plan revisions to mitigate impact of gh-platform-820 and preserve June/July delivery of EE 11
  • From: Mark Thomas <markt@xxxxxxxxxx>
  • Date: Tue, 16 Jan 2024 16:02:20 +0000
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On 16/01/2024 14:31, Ed Burns wrote:

Mark Thomas wrote:

MT> This is a HUGE change. It effectively means that the minimum Java runtime required to be supported has changed from Java 21 to Java 17.
MT> It is way too late in the process for such a change.

MT> And if the argument is that the minimum runtime version requirement hasn't changed,
MT> what is the point in requiring anything to work with Java 17 if the minimum runtime is Java 21?

Before assigning a magnitude to the item being labeled as a change, I want to make sure the plan is understood.  I will state our approach to implementing the plan for EE 11 and then we can overlay the language of the plan on it.


<snip/>


If the above text did not alter your understanding, you can resaonably assgn a magnitude.
That does not alter my understanding. My view that this is a huge change stands. 


I have been assured by trusted experts that what we are doing in EE 11 (with 17 and 21) is semantically equivalent to what we did in in EE10 (with 11 and 17).


The fundamental difference is:

Jakarta EE 10
 - Minimum Java version 11
 - TCK tested with Java 11 and Java 17
The TCK was executed with the minimum Java version and the next LTS version. That seems perfectly reasonable to me. 

Compare that to:

Jakarta EE 11
 - Minimum Java version 21
 - TCK tested with Java 17 and Java 21
It makes no sense to run the Jakarta EE 11 TCKs on Java 17 if the minimum Java version is 21.
Therefore, the only conclusion that I can draw is that the minimum Java version is being changed from Java 21 to Java 17. 

That is a very significant change to be making so late in the process.

Mark

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