Just another data point... I used PbFree solder paste on the GAPfiller boards, but did all of the fixes using leaded solder. It wasn't ideal, but it was much easier than trying to use PbFree solder for modifications.
> Seems so.No unfortnately all the lead free board I worked with sucked from that PoV :(
> Do you know low fusible lead free solder paste ?
When you have to rework anything connected to a ground plane, it's
hell to avoid burning the FR4, lifting traces, ...
Cheers,
Sylvain