The first time a Feather nRF52840 comes up after loading 10.3.0-rc.0 or 10.3.0 (could be other 10.3.0 versions as well), it comes up in safe mode. It's fine after pressing reset.
Thishe does not happen with 10.2.1. This appears to be nordic-specific: I didn't see this on espressif or atmel-samd.
The first time a Feather nRF52840 comes up after loading 10.3.0-rc.0 or 10.3.0 (could be other 10.3.0 versions as well), it comes up in safe mode. It's fine after pressing reset.
Thishe does not happen with 10.2.1. This appears to be nordic-specific: I didn't see this on espressif or atmel-samd.