Newline by \n does not give a newline in mermaid live

[richelbilderbeek]

Describe the bug

In mermaid one can use \n to create multiline texts:

flowchart TD

  test[No more\nnewlines?]

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pasting that text in mermaid.live, however ...

flowchart TD

  test[No more\nnewlines?]

does not result in a multi-line-text, as shown in this screenshot:

To Reproduce
Link to Live Editor: here
Steps to reproduce the behavior:

1. Go to https://mermaid.live
2. Paste the following text:

flowchart TD

  test[No more\nnewlines?]

3. Observe that no newline is shown

Expected behavior

I expected a newline when I use \n in the live editor

Screenshots

Here it is again:

Desktop (please complete the following information):

• OS: [e.g. iOS]: Ubuntu
• Browser [e.g. chrome, safari]: Firefox
• Version [e.g. 22]: 129.0.2 (64-bit)

Additional context

I'm a heavy mermaid user (yet with holidays), so I estimate this happened in the last two months.

[SebastianSimon]

I think in the same version, I noticed another bug: moderately long labels are now no longer rendered.

Example:

flowchart TD
  X(This is a somewhat long label.)

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On the Website:

[richelbilderbeek]

I mentioned the bug from @SebastianSimon in #1533, using the standard bug report form 👍