Although not listed, VRLS does support 1.16. You can check it out yourself, there’s also plenty of people on the Viaver discord who are using it on 1.16 with no issues
Link: https://www.spigotmc.org/resources/viarewind-legacy-support.52924/
This plugin helps fix issues with 1.8 gameplay on a 1.9+ server such as ladders not working and some sounds not playing when they should.
Im not trying by any means to flex my plugin but theres a "fork" ive made that supports the latest version and is open source https://www.spigotmc.org/resources/80827/