-The patches/ directory contains some patches for upstream software that help
-Nageru performance and/or stability. They are all meant for upstream, but
-probably will not be in by the time Nageru is released. All except the bmusb
-patch are taken to be by Steinar H. Gunderson <sesse@google.com> (ie., my work
-email, unlike Nageru itself and bmusb), and under the same license as the
-projects they patch.
+ - You need libusb 1.0.21 or newer (not yet released; you will need to
+ use git) if you want zerocopy USB. Zerocopy USB helps not only for
+ performance, but also for stability.
+
+ - You want kernel 4.6.0 or newer to get zerocopy USB. Older kernels
+ also lack some workarounds for LPM (link power management) and bandwidth
+ allocation issues with USB3.
+
+ - There is a critical bug fix with x264 speed control in
+ 928bd9d5def4f0ca5071ea176a11b816a01e6495, pushed to git mid-June 2016.
+
+ - Nageru depends on an avformat API for marking block boundaries in the
+ muxed byte stream that didn't enter ffmpeg before
+ 4e7a9212820a56bc731c09b2f11ae1422d070837, pushed to git late June 2016.
+
+
+The patches/ directory contains a patch that helps zita-resampler performance.
+It is meant for upstream, but was not in at the time Nageru was released.
+It is taken to be by Steinar H. Gunderson <sesse@google.com> (ie., my ex-work
+email), and under the same license as zita-resampler itself.