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+Version 1.9.15, 2011-03-21
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+* First release candidate for 1.10.0
+
+* Modify how message expansion is done in SHA-256 and SHA-512.
+  Instead of expanding the entire message at the start, compute them
+  in the minimum number of registers. Values are computed 15 rounds
+  before they are needed. On a Core i7-860, GCC 4.5.2, went from 143
+  to 157 MiB/s in SHA-256, and 211 to 256 MiB/s in SHA-512.
+
+* Pipe will delete empty output queues as soon as they are no longer
+  needed, even if earlier messages still have data unread. However an
+  (empty) entry in a deque of pointers will remain until all prior
+  messages are completely emptied.
+
+* Avoid reading the SPARC ``%tick`` register on OpenBSD as unlike the
+  Linux and NetBSD kernels, it will not trap and emulate it for us,
+  causing a illegal instruction crash.
+
+* Improve detection and autoconfiguration for ARM processors. Thanks
+  go out to the the `Tahoe-LAFS Software Foundation
+  <http://tahoe-lafs.org>`_, who donated a Sheevaplug that I'll be
+  using to figure out how to make the cryptographic primitives
+  Tahoe-LAFS relies on faster, particularly targeting the ARMv5TE.