Some details are yet to be announced.
The biggest change so far is a return to team size of 5 gymnasts.
… The new format will come into force at the 2022 and 2023 Worlds, which will limit the number of participants to 208 in the Men’s competition and 201 in the Women’s.
This will allow a reduction in the overall duration of the World Championships to 11 days, compared to 15 at the 2018 event, with two training days and two competition days less.
The qualifying system is composed as follows:
No doubt this new system will have problems, as well. GymCastic has already identified some.
Read more on USAG – New formats for World Championships and new system for Olympic qualification
NOTE – This post originally talked about qualification for Olympics 2024. We don’t yet know what changes are planned for Paris.