Based on your criteria here's some albums/tapes I think should definitely be mentioned:
Big KRIT - Return of 4Eva (critical acclaim)
Main Attrakionz - 808s & Dark Grapes II (innovation/trend setting of cloud rap)
Migos - Young Rich nikkas/No Label II (trend setting of double time trap flow)
Nipsey Hussle - The Marathon (popularity/critical acclaim)
Meek Mill - Dreamchasers (popularity)
Killer Mike - R.A.P. Music (critical acclaim)
Kevin Gates - Luca Brasi Story 2 (popularity/critical acclaim)