Honest reaction after a week of use: Encoded UTF-8 with no character-set surprises in Excel. Bought it while building a warren james store locations for united prospecting workflow for United Kingdom. Will reconsider for the next refresh.
Good to know what worked and what didn't, we're actively working on the gaps you called out. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.