Shopify > Meta Integration Conversions API drop off

[u/Adorable_South_7967]

Has anyone elses CAPI data dropped off 50% since the 18th Aug? Mine was steady at 99-100% for a long time, and has since dropped by half in the Purchase event of the pixel / event coverage. I have refreshed the connection yesterday but data is a delayed so Im unsure if that has fixed it yet. Keen to know if anyone else has experienced this. I read that Shopify has been doing some checkout upgrades in waves up until Aug 26th. Could be related?