User-Visible Changes in Tahoe-LAFS
==================================
-Release 1.9.0 (2011-??-??)
+Release 1.9.1 (2012-01-12)
--------------------------
-Beta 1 preview
+Security-related Bugfix
+'''''''''''''''''''''''
+
+- Fix flaw that would allow servers to cause undetected corruption when
+ retrieving the contents of mutable files (both SDMF and MDMF). (`#1654`_)
+.. _`#1654`: https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1654
+
+
+Release 1.9.0 (2011-10-30)
+--------------------------
New Features
''''''''''''