@Jabiertxof - could the crash be avoided without reverting the refactoring of the Perspective/Envelope patheffect - e.g. by disabling the effect if stored with old or incompatible attribute names (as happens with other unsupported path effects ("Unknown LPE type specified, LPE stack effectively disabled"))?
@Jabiertxof - could the crash be avoided without reverting the refactoring of the Perspective/ Envelope patheffect - e.g. by disabling the effect if stored with old or incompatible attribute names (as happens with other unsupported path effects ("Unknown LPE type specified, LPE stack effectively disabled"))?