It is 95% stable 
that extra 5% of instability will come if you deploy some buggy addon.
The core and 95% of use cases are very stable (imho)
No problems have been reported since it’s launch: [OH 2.4.0 M6] Testing Results
It is 95% stable
that extra 5% of instability will come if you deploy some buggy addon.
The core and 95% of use cases are very stable (imho)
No problems have been reported since it’s launch: [OH 2.4.0 M6] Testing Results