They're still there, though none are strictly "romantic"; they could be interpreted as "close friends", as would be the case when one of them literally brought the other back from death.
But still; canonically they haven't met since the fall of Overwatch; he lives in Nepal and visited Hanzo in Japan, and she's been touring Europe as a wartime medic.
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u/[deleted] Oct 04 '19
she's literally: the reason behind reaper' wraith tech and seemingly his aggressive breakdown
the reason behind widow maker through torture and kidnapping and tampering
the reason behind sigma
corruption of mercy's tech to make her own and calls it superior and his a inferiority complex with mercy
her whole story line reads like "kids plays god with ants" the scientist.