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Join raids faster by utilizing Viramate Web API
< Feedback on GBF Raidfinder | Viramate Web API Integration
I could not find any information about the underlying javascript engine / api support for that browser; can't really fix it.
You can try passing the script into babel and see if it works.
0.4.1 version of the script mostly works so maybe there's a diff to track the critical changes?
You can diff it in the History tab in the script page.
Unstable on Android Yandex
Workaround : Latest TamperMonkey on Yandex Browser ( Android )
0.5.0 didn't seem to work
0.4.1 generally works fine but sometimes not loading