There is a problem with the type hint in the playground

[YiMo1]

Vue version

3.5.12

Link to minimal reproduction

https://play.vuejs.org/#eNp9kc1OwzAQhF9l5VMrValK4RKFSgX1AAeoKDeMUJRsUxfHNv4pRVHenY2jlhxQb+uZWfvbdcOWxiSHgCxlmSusMB4c+mBA5qq65cw7zhZclbgVCtdWGzdquAIwVC5TiDWAxa8gLJYpeBtw0ov+x2AKbxtvhaomoIKU79FquWrHXGXT/kG6ng4eayNzj3QCyHazRdNA3zqKb42hbbMp6V3jIMwmxFhotRVVsnda0SARirNC10ZItM/GC61ojjMuZ7mU+vsxagNi6tlh8fmPvnfHTuNsbdGhPSBnZ8/ntkLf26vNEx6pPpu1LoOk9AXzBZ2WoWPsY3dBlYQ9yEXah9po62kfr2519KjcaagONK415jmj37y/MPof7jy5Pn0HbfHjgLa7kxY4T26S2RVrfwEXULH2

Steps to reproduce

鼠标悬浮在属性 propA 上。

Hover over the property propA.

What is expected?

属性 propA 的类型应该是 string | null。

propA should be string | null.

What is actually happening?

属性 propA 的类型却是 string。

propA is actually string.

System Info

No response

Any additional comments?

在 VSCode 中，类型提示是正常的。

It's normal in VSCode.

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我想知道关于“可为 null 的类型”具体是在哪一个版本中新增加的功能，在文档中并没有写，我在componentProps.ts文件中查看类型 PropType 的最近一次修改是在 75c8cf6 ，所以它是在 v3.5.0-alpha.1 之后增加的新功能吗？如果是的，那么能否在文档中用徽章标记出来？

I wonder exactly what version of Nullable Type was added in, it wasn't written in the docs, I looked at the type in the componentProps.ts file The last modification of the type PropType was in 75c8cf6, so is it a new feature added after v3.5.0-alpha.1? If so, can it be marked with a badge in the document?

[dariasavinova]

this behavior is likely caused by type handling in the Monaco Editor, which is used in the playground
here're some screenshots of how types look in hints in the playground of the Editor repo