This is not a major update but as brings Google‘s latest security patch, it is highly recommend to install the update.The update comes with many bug fixes which were present in the previous build.It also brings stability and performance improvements to the device.
HTC 10 November 2017 Security Patch OTA Update Is Now Available
If you own a Verizon HTC 10, then you may have already received the HTC 10 November 2017 Security Patch OTA Update.You can manually check for the update by going to Settings » About phone » Software update, then check for update.If there is no update showing on your device, then wait for few days for the update to come to your device. Source: Verizon