Bitcoin Core version 0.13.1 is now available from:

https://bitcoin.org/bin/bitcoin-core-0.13.1/

This is a new minor version release, including activation parameters for the segwit softfork, various bugfixes and performance improvements, as well as updated translations.

Please report bugs using the issue tracker at github:

https://github.com/bitcoin/bitcoin/issues

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https://bitcoincore.org/en/list/announcements/join/