Why is Apex Legends cross-progression not working?

Respawn has just added a highly requested cross-progression feature to Apex Legends, but it's working for everyone.

Work on Apex Legends cross-progression slowed down by recent hacks

Apex Legends Cross Progression Not Working - How To Fix

Explaining Cross Progression in Apex Legends Season 19: Ignite

Is Apex Legends cross-platform and does it have cross-progression?

Apex Legends: Ignite, Why cross-progression is not available yet?

Does Apex Legends have cross progression? - Voxel Smash

Apex Legends: Ignite, Why cross-progression is not available yet?

Apex Legends Might Eventually Support Cross-Play; Cross-Progression Not Possible

Apex Legends Cross-Progression: Will We Ever Get It?