It’s possible you are referring to:
: The 2021 report argues that ‘Umar ibn ‘Udhaynah became a majhul al-hal (unknown state) after his alleged ghuluww. Therefore, hadiths transmitted by him during his "trustworthy period" remain acceptable if they can be dated. This has practical implications for the istinbat (derivation of religious law) from early Kufan traditions. Rijal Al Kashi Report 176 -2021-
Theological Implications: How this report shapes the modern understanding of the "knowledge of the unseen" attributed to the Imams. It’s possible you are referring to: : The