pending / effective unknown
Instagram profile grids shifted toward portrait previews
The 2025 profile-grid shift is a useful audit lead, but the official public help page does not expose a dated rollout note. Poster Cat tracks the current 3:4 portrait entry as pending-effective-date.
Before
Creators commonly planned profile grids around square 1:1 previews.
After
Current Instagram help supports taller portrait photos and profile previews have moved toward portrait presentation.
Evidence
Published 2026-06-29; last checked 2026-06-29; verified false because the effective date is unknown.
Instagram Help: Image resolution