Trello Powerup not showing for Safari users

[jakeatgtops]

Preflight Checklist

• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

You must agree to search and the code of conduct. You must fill in this entire template. If you delete part/all or miss parts out your issue will be closed.

If you are technical, you should report bugs along the lines of https://marker.io/blog/how-to-write-bug-report. If you are not technical, we will make allowances, please try to make an effort to understand the process.

Describe the bug
A clear and concise description of what the bug is.
---Safari users on our team aren't seeing the drawio button inside the trello cards to make diagrams. Firefox and Chrome users have no problems.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
   ---Go to Trello through Safari and see if you can see the button inside a Trello card.

Expected behavior
A clear and concise description of what you expected to happen.
---Expected there to be a button inside the Trello card to click on.

Screenshots
If applicable, add screenshots to help explain your problem.
---N/A

draw.io version (In the Help->About menu of the draw.io editor):
---Latest version as of 12/24/25? It's the powerup for Trello.

• draw.io version x.y.z

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Browser Version [e.g. 22]
  ---Latest MacOS and latest Safari version as of 12/24/25

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]
  ---N/A

I tested the problem in incognito/private mode with all browser extensions switched off, write "yes" below:
-yes

Additional context
Add any other context about the problem here.
---Thank you for such a great powerup. I hope this can be resolved.