The Vindicator and Evoker captains do not drop an ominous bottle.
Linked issues
is duplicated by 6
MC-270090
Illager captains spawned through spawn eggs do not give ominous bottles
Resolved
MC-270404
Raid Captain Illusioners don't drop Ominous Bottles
Resolved
MC-271557
Captains vindicators don't drop an ominous bottle
Resolved
MC-273895
Ominous bottles cannot be obtained exactly as stated in the release notes
Resolved
MC-273907
Vindicator and evoker raid captains do not drop ominous bottles
Resolved
1 more links
I can confirm! I didn't get the bottle from any of the pillagers either.