This week we completed a weeks-long rollout of a major React Native update which brings significant performance improvements to Adalo apps. Effective Monday, September 29 all newly created Adalo apps will use this new version. While we've been testing this new version internally for months, additional bugs are inevitable and so we've given Makers the ability to disable the new React Native version and associated new architecture flags within the Builder Settings:
Toggling the React Native version
Of course, if you do find a bug which is fixed by disabling either of these features then please let us know by emailing support!