It appears UFile Pro is missing the following question to answer in the "Ex-spouse" screen for a taxpayer whose marital status has changed from married/common-law to separated in the tax year:
Was the ex-spouse self-employed in the tax year?
If you look at the Federal EFILE return record, "Spouse Self Employed?" is a data field (under Basic Data) that is transferred to the CRA.
However, UFile data entry does ask the question "If your ex-spouse was self-employed in 2022, was he or she a farmer?" seeming to bypass the initial first question of whether or not they were even self-employed at all.
UFile email support has been poor quality, with agent Kasthuri sending back a generic canned response, and not addressing this question asked via email Pro support.
Additionally, for a taxpayer whose marital status changed from married/common-law to separated in the tax year, is anyone aware of how to override & NOT claim the "Line 30300 – Spouse or common-law partner amount"? UFile seems to have poor abilities to override and modify fields/lines like TurboTax allows.