Still confusion on OIS, overnight benchmark, collateral and discounting.
An important quant software provider proposes a webinar titled: Impact Analysis: The 2020 Clearing House Switch from OIS to SOFR Discounting It seems they don't understand what OIS is and what OIS discounting means. Please read my multi-curve book , Chapter 8 for the details. A meaningful title would be The 2020 Change in collateral rate at CCPs from EFFR to SOFR: discounting transition