[12] RFR: JDK-8209966: Update minimum boot JDK to 11

[Kevin Rushforth]

> In general, I think developers updating from JavaFX 11-12-13 are also 
> capable of updating the JDK from 11-12-13, so I prefer the coupling
>
> 1. Allow building JavaFX N with either JDK N-1 or JDK N.
>

This is also my preference.

-- Kevin


On 9/24/2018 12:12 AM, Johan Vos wrote:
>
>
>     > And it's only going to get worse as time goes on. Would it not be
>     > possible to support up until the last JDK LTS(Starting at 11)
>     release
>     > for building JavaFX? I feel like maybe that would be more
>     reasonable.
>
>     This is a good question, and maybe in the future we might not be so
>     quick to do this...or maybe we will.  We should discuss this
>     before we
>     get to this point for JavaFX 13, a little less than six months
>     from now.
>     The choices for the model are:
>
>     1. Allow building JavaFX N with either JDK N-1 or JDK N.
>     2. Allow building JavaFX N with the most recent LTS or later.
>
>     Choice #1 will allow JavaFX to better keep pace with JDK features
>     (API
>     or language features). Choice #2 will allow JavaFX to build and
>     run with
>     the most current, stable JDK LTS at the cost of not being able to use
>     newer JDK features.
>
>
> One of the reasons Java is moving to a fast release cadence is because 
> today, this is required to stay relevant in a fast-changing landscape.
> I think we need to do the same with JavaFX. We should be able to 
> leverage the latest and greatest advances in the JDK, since this will 
> allow JavaFX to move fast as well, which is required to stay relevant.
>
> If you want to run on the latest stable JDK LTS, the logical 
> consequence seems to me you use the latest stable JavaFX LTS. There is 
> LTS support available for both Java and JavaFX 11 and they are pretty 
> well aligned.
>
> Having said that, there is no point in moving forward just for the fun 
> of it. We also have to distinguish between changes in the VM or in the 
> core Java API's.
> My opinion is that if a new feature is added to JDK N, we can really 
> take advantage of it in JavaFX (N+1).
> In some cases, there won't be new features relevant to OpenJFX. But 
> even then, I don't think we can't change our rules on a per-release 
> case (e.g. JavaFX 14 works with Java 13 and Java 14, and even Java 12; 
> but JavaFX 15 works with Java 14 and Java 15 and not with Java 13).
>
> In general, I think developers updating from JavaFX 11-12-13 are also 
> capable of updating the JDK from 11-12-13, so I prefer the coupling
>
> 1. Allow building JavaFX N with either JDK N-1 or JDK N.
>
> - Johan
>
>
>