V5.07.56.1-en-for01 'link' -

These numbers typically denote minor feature updates and maintenance fixes within that generation.

: Improvements to ONVIF compatibility for using the device with third-party software. Recommendation If you are looking to install this: Verify Hardware v5.07.56.1-en-for01

Could you clarify you are seeing this version on? I can provide more specific details about the update's changes if I know the manufacturer. These numbers typically denote minor feature updates and