nRF52840- dev kit seems to be available in the past, as you can import projects using this MCU, however, (similar issue from Jan this year ) you cannot select any board with this Nordic processor to enable to compile.
nRF52840- dev kit seems to be available in the past, as you can import projects using this MCU, however, (similar issue from Jan this year ) you cannot select any board with this Nordic processor to enable to compile.