--- /dev/null
+Summary of important user-visible changes for releases of the signal package
+
+===============================================================================
+signal-1.1.3 Release Date: 2012-05-12 Release Manager: Carnë Draug
+===============================================================================
+
+ ** signal is no longer dependent on the audio package.
+
+ ** signal is now dependent on the image package.
+
+ ** The function `marcumq' was imported from the communications package and has
+ been completely rewritten to improve performance and fix computational
+ errors.
+
+ ** Package is no longer automatically loaded.
+
+ ** The functions `__ellip_ws' and `__ellip_ws_min' have been removed (they
+ are now subfunctions of `ncauer'.
+
+ ** The function `blackmanharris' was fixed to have even symmetry.
+
+===============================================================================
+signal-1.1.2 Release Date: 2012-01-06 Release Manager: Lukas Reichlin
+===============================================================================
+
+ * Added the following filter conversion functions:
+ ss2tf
+ ss2zp
+ tf2ss
+ tf2zp
+ zp2ss
+ zp2tf
+
+===============================================================================
+signal-1.1.1 Release Date: 2011-11-06 Release Manager: Juan Pablo Carbajal
+===============================================================================
+
+ * Following function now show help text correctly instead of copyright notice:
+ downsample
+ dst
+ flattopwin
+ fwhm
+ idst
+ square
+ upsample
+ * Apply pathc by Paul Dreik to cl2bp_lib.h.
+
+===============================================================================
+signal-1.1.0 Release Date: 2011-11-04 Release Manager: Juan Pablo Carbajal
+===============================================================================
+
+* Minor bug fixes in:
+ blackmannuttall.m
+ xcorr.m
+ filtfilt.m
+ invfreq.m
+ invfreqs.m
+ resample.m
+
+* New functions added:
+ data2fun.m
+ impinvar.m
+ invimpinvar.m
+ sigmoid_train.m
+ pei_tseng_notch.m
+ iirlp2mb.m
+
+* Not implemented functions removed from the documentation.
+* All demos are now working!