[Samba] Upgrade 4.8 to 4.9 with Backend-Change to lmdb?

[Stefan G. Weichinger]

Am 26.09.18 um 14:47 schrieb L.P.H. van Belle via samba:
> Hai,
> 
> At this point i can not recommend to upgrade to 4.9.0 or 4.9.1, a
> side note on this. The bug in question why im blocking it for
> production, does not happen for domain members and AD-DC's but it's
> still a risk in my opinion.

Is that still true (oct 17th 2018)?

Is that mentioned backend change obligatory?

Couldn't follow all the threads lately ;-)  ... but checking in to 
prepare for upgrades over the next weeks or so.

Thanks, Stefan