The XMOS driver is updated to 5.30 for both versions.
Direct link: https://www.smsl-audio.com/upload/portal/undefined/SMSLUSBAudioDriver.zip
Download page: https://www.smsl-audio.com/portal/product/downlist/id/11.html
The XMOS driver is updated to 5.12.
Direct link: https://www.smsl-audio.com/upload/portal/download/SMSLUSBAudioDriverV512.rar
Download page: https://www.smsl-audio.com/portal/product/downlist/id/11.html
If you download the driver from the product-driver page instead of the real product page you get a 5.00 instead of 4.67.
Product-driver page: https://www.smsl-audio.com/portal/product/downlist/id/11.html
Direct link to file: https://www.smsl-audio.com/upload/portal/20210225/202102251113351739.rar