Also suspiciously coincidential: Codex just announced some changes.

    - Temporarily removing the 5 hour usage limit restriction for all Plus, Business and Pro plans
    - Rolling out changes that will make GPT 5.6 Sol more efficient across the board and that will be reflected in less usage being used so that it can take you further. Exact impact to be quantified and shared
    - We hit 6M active users, and are landing a usage reset in the next hour