hi, i wanted to discuss workarrounds for clustering across multiple layers.
as strk stated, clustering is per-layer by design
maybe the most easiest way would be to merge multiple layers into one and then cluster?
i think this is useful, because on a map we sometimes want to use clustering in order to avoid point-overlaps without thinking from which clusters those points came. on the other hand the workarround prevents us from using layer-selection and different styles per layer...