Bug ? ExtendSrf unjoins polysurface

Hi,

I have two fairly simple planar surfaces that unjoin when ExtendSrf is applied…
Both in 7 and WIP.
This is problematic as it makes trimming with this polysurface fail… Unless I explode and join repeatedly.

ExtendSrfUnJoin.3dm (44.5 KB)

Hello- I see that , thanks for the report.
RH-76209 ExtendSrf unjoins edge

-Pascal

This problem has been fixed and will be available in Rhino 8 SR8.