Riot announced the end of Hyper Roll with a recent update to the 2025 TFT road map. You can listen in on their changes here. Here's the quick TLDR on what's coming:
Hyper Roll will be depreciated
Not enough people playing it
More stressful for players than intended
Did not serve as an easy way for players to learn TFT
Will remain until the end of Cyber City
Tocker's Trials will remain
Shorter TFT modes will still be explored
New game mode in the next 6 months
Pengu's Party returning
New Set Revival to accompany Set 15