Spotify has finally changed most instances of the "Janet" artist tag to "Janet Jackson" with 5 exceptions:
"Rock With U" on Discipline (but not Number Ones)
"Doesn't Really Matter" on Nutty Prof II OST (but nowhere else)
"Make Me" and "Nothing" on Best of Number Ones (but not standard Number Ones)
"What's It Gonna Be?!" on Extinction Level Event
Apple Music still has it on:
 Best of Number OnesNumber Ones- "If"
 
- "Because of Love"
 
- "Any Time, Any Place"
 
- "Scream"
 
- "Call On Me"
 
- "Make Me"/"Make Me (Bimbo Jones Radio Edit)"
 
Discipline era
Nutty Professor II Soundtrack
Extinction Level Event
"What's It Gonna Be?!"
On an additional note, "Runaway" and "Twenty Foreplay" are the only Janet tracks I know of that aren't available for streaming in the US.
She is uncredited on "Boyfriend/Girlfriend" and "Feel It Boy" on both services.
She is credited as "J. Jackson" on "Luv Me Luv Me" on Apple  and uncredited on Spotify
She is uncredited on "Don't Worry" on Spotify only.
Now if ha Vevo would ever get the treatment it deserves 
