Source: soon after Pinduoduo's app updated to remove backdoor exploits, most of the team working on them was moved to work on Temu, which is a top app in the US (CNN) 03-04-2023

CNN:
Source: soon after Pinduoduo’s app updated to remove backdoor exploits, most of the team working on them was moved to work on Temu, which is a top app in the US — It is one of China’s most popular shopping apps, selling clothing, groceries and just about everything else under the sun to more than 750 million users a month.