After going through a set of migrations from CF7 to CF8 (which is now complete) one aspect I found rather annoying was that in CF7 there was an option to decouple a field name from its label. In CF8 this feature was not available and if you ever went to reword a label for a field it overwrote the field name, including those within a repeater area where the "[n]" would get wiped. It would be a good feature to add this checkbox back to allow the decoupling.
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