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Hi, all! There is a new stable release of the Tor source code, with fixes for a couple of portability issues. If these issues affect you, you should upgrade; otherwise you can safely stay with 0.2.8.10.
You can download the source from the usual place on the website. Remember to check the signatures! Packages should be up in a few days. This version of Tor should appear in a stable TorBrowser release around December 14.
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Changes in version 0.2.8.11 - 2016-12-08 Tor 0.2.8.11 backports fixes for additional portability issues that could prevent Tor from building correctly on OSX Sierra, or with OpenSSL 1.1. Affected users should upgrade; others can safely stay with 0.2.8.10.
o Minor bugfixes (portability): - Avoid compilation errors when building on OSX Sierra. Sierra began to support the getentropy() and clock_gettime() APIs, but created a few problems in doing so. Tor 0.2.9 has a more thorough set of workarounds; in 0.2.8, we are just using the /dev/urandom and mach monotonic time interfaces. Fixes bug 20865. Bugfix on 0.2.8.1-alpha.
o Minor bugfixes (portability, backport from 0.2.9.5-alpha): - Fix compilation with OpenSSL 1.1 and less commonly-used CPU architectures. Closes ticket 20588.