We have one known issue in Sitecore 10.2 i.e. Retrieving the child items of resource items is not thread-safe
Sitecore provided the cumulative hotfix for it i.e. Cumulative hotfix for Sitecore XP 10.2 and it's available for both
XP and XP 10.2 instances.
That such hotfixes are not intended to be installed using the Installation wizard.
Sitecore provided the following articles describing how to install the hotfixes for OnPrem and PaaS instances:
Does anyone have installed the same on Sitecore 10.2 on OnPrem and PaaS? Please provide some more detailed instructions on OnPrem and PaaS.
The application has been deployed with Sitecore Managed Cloud Service(Azure PaaS).