Release notes 0.20.7

Bitcoin ABC version 0.20.7 is now available from:

https://download.bitcoinabc.org/0.20.7/

This release includes the following features and fixes: - The new RPC scantxoutset can be used to scan the UTXO set for entries that match certain output descriptors. Refer to the output descriptors reference documentation for more details. This call is similar to listunspent but does not use a wallet, meaning that the wallet can be disabled at compile or run time. This call is experimental, as such, is subject to changes or removal in future releases. - The new RPC getzmqnotifications returns information about active ZMQ notifications.