Not yet. I reported all the findings to Athom Support, including the app ID, version and the repeated weather calls, but I haven’t contacted the Mode Switch developer directly.
Good point though — I agree this is probably very relevant for you as well, @Erikje.
In my case it concerned Mode Switch (com.modeswitch) v3.1.18. Even though I wasn’t actively using its mode/weather functionality, it was performing a weather read approximately every 8 seconds.
I first disabled the app, which stopped the repeated calls. After the rate limit cleared, Homey’s built-in weather forecast started working again. I have since removed Mode Switch completely from my Homey.
The relevant log information and findings from before removing the app are included in my post above.