[WIP] Support modernBERT for encoder-decoder models
Author: yijun-lee
Pull request: yes

# What does this PR do?

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Fixes #35385
This is the first draft — I’d appreciate any feedback!


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Comments:
@yijun-lee Hi, can I ask if this PR has been merged into main?
If so, I'm also wondering if it will be released in the next version.

Thanks in advance.

> @yijun-lee Hi, can I ask if this PR has been merged into main?
> 
> If so, I'm also wondering if it will be released in the next version.
> 
> 
> 
> Thanks in advance.

Hi. It hasn’t been merged yet. I think it might be better to split this work, so it will probably be submitted as two separate PRs. Were you asking because you want to contribute to this work?

> Hi. It hasn’t been merged yet. I think it might be better to split this work, so it will probably be submitted as two separate PRs. Were you asking because you want to contribute to this work?

@yijun-lee 
I'm afraid to say no, but I was trying to use them in my personal project and just wondered if it's merged or not.
Thank you for your response anyway :)