One issue is that they won’t add fillets and chamfers.
https://github.com/solvespace/solvespace/issues/149
https://github.com/solvespace/solvespace/issues/453
https://github.com/solvespace/solvespace/issues/577
edit: dang, got ninja'd by one of the devs in the cited threads!
Old comment: https://github.com/solvespace/solvespace/issues/453#issuecom...