The releases in this directory contain known security flaws and should not be used.
Information about some known flaws can be found at the following links:

(<0.10.3 & <0.11.1) UPnP vulnerability:
https://bitcoin.org/en/alert/2015-10-12-upnp-vulnerability

If you have any questions, please feel free to ask for help:
https://bitcoin.org/en/bitcoin-core/help