Safari: Flow card dropdown menus invisible when accessing Homey via my.homey.app

Questions & Help
1

Anyone else experiencing problems getting the flow-card drop-down menus to appear in Safari?

Product: Homey Pro

Browser: Safari

Platform: macOS

Access method: https://my.homey.app

Summary

Dropdown menus in the Flow editor briefly appear and then disappear when using Safari through the cloud portal. The menu options are still logically present (they can be selected via keyboard), but they are not visible.

Steps to reproduce

  1. Open Safari on macOS.

  2. Log into Homey via https://my.homey.app.

  3. Open the Flow editor.

  4. Add or edit a Flow card with a dropdown selector (e.g., an Alexa device card).

  5. Click the dropdown arrow.

Observed behaviour

  • The dropdown flashes briefly and disappears.

  • The menu items are not visible.

  • However, typing the first letter of an option still selects it (e.g. “A” selects “Announce”, “S” selects “Speech”).

  • This indicates the dropdown is active but not being rendered visibly.

Expected behaviour

The dropdown menu should remain visible and allow selection of options.

Additional observations

  • The issue does not occur when accessing the same Homey locally via its LAN address (e.g. http://192.168.x.x).

  • The issue also does not occur when using Microsoft Edge.

  • Clearing Safari cache, disabling extensions, and using a Private window did not change the behaviour.

Conclusion

This appears to be a Safari-specific rendering issue related to the UI when accessed through my.homey.app. The same interface renders correctly when served locally by the Homey device.

Possible hint

The dropdown remains keyboard-accessible even when invisible, suggesting a Safari issue with rendering a floating overlay element (possibly a z-index or iframe compositing issue) in the cloud portal interface.

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