DT Pro 3.6.1 crashes when importing *.mbox mail on M1 Mac mini

[cgrunenberg]

@mdbraber

But would that not mean that ‘group conversation threads’ would have nothing to do, as there simply isn’t any thread anymore?

Likely but that way we could at least figure out which header is causing the troubles. Splitting is of course just another workaround as this probably breaks the endless reference cycle too.