Reddcoin Core version 3.10.3 is now available from:
Directly from https://download.reddcoin.com/bin/reddcoin-core-3.10.3/
For the full release notes please see the git repository:
https://github.com/reddcoin-project/reddcoin/blob/v3.10.3/doc/release-notes.md
Preferably use the above download links, not the links provided by GitHub to download the source tarball, as the release tarballs are generated deterministically whereas GitHub's are not.