a couple selected release notes:
* transactions with 65+ bytes in non-witness data are now acceptable by
mempool and relay policies.
* improvements to parallel compact block downloads
* avoid serving stale fee estimates
new features which nakamochi might find useful in the future:
* a new shutdownnotify option, a command to exec synchronously before
bitcoind initiates its shutdown sequence
* a new /rest/deploymentinfo endpoint which reports consensus changes
all details:
- https://bitcoincore.org/en/releases/25.0/
- https://bitcoincore.org/en/releases/25.1/