v1.5.11

This release is an optional upgrade but is highly recommended.

This release merges in all the updates to the latest stable releases of Geth v1.5.8 and v1.5.9.

It also contains an optimization for the difficulty algorithm:

• Speed up CalcPastMedianTime by using block headers

All of the provided binaries are also built using the latest Go 1.8.1.

$ shasum -a 256 *
d97a900a35f77ac312ff9f17deb304c7d42620ae52479d964c2132dbd28f93e1  gubiq-darwin-amd64
40ccb7bffbf2e194e8522e59aec12b373a4aceff5a706fd9b20b107eb4b87bbb  gubiq-linux-amd64
a920e07af5559b12bffe69384291aef3ef20b811d104b84c59915d314d806e8a  gubiq-linux-arm-7
16cece3e015773010a703a6e960f497c48cc9dd081984f13dfd9ff9e9327232c  gubiq-windows-4.0-amd64.exe