Thanks for reaching out to us.
We do not have any specific date regarding the release of IPP 2021.6.1 at present. But you can check out the pinned post in the forum where the announcements are made available.
You can also refer to the release notes for highlights of the latest versions.
Hope the provided information helps and hence we are closing this case.
Please post a new question if you need any additional assistance from Intel as this thread will no longer be monitored.