This release:

• adds the experimental copyRangeMethod config on folders, for use on filesystems with copy-on-write support. Please see https://docs.syncthing.net/advanced/folder-copyrangemethod.html for details.

• adds TCP hole punching, used to establish high performance TCP connections in certain NAT scenarios where only relay or QUIC connections could be used previously.

• adds a configuration to file versioning for how often to run cleanup. This defaults to once an hour, but is configurable from very frequently to never.