diff --git a/ChangeLog b/ChangeLog
index 7a2f05e..88f949c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,10 +1,12 @@
-2016-08-12
+2016-09-26
 
         * Version 1.2.0 released
         ========================
 
+        Fix ctbin segfault bug for varying energy thresholds (#1850)
+        Make csresmap enumbins parameter hidden (#1844)
         Rename ctskymap::map() to ctskymap::skymap() (#1828)
-        Introduce ctobservation and ctlikelihood base classes (#1828)
+        Introduce ctobservation and ctlikelihood base classes (#1828, #1846)
         Remove ctselect::time_reference() method
         Add ctool and cscript pars() methods (#1838)
         Fix ctbin::save() bug for empty observation container (#1835)
diff --git a/NEWS b/NEWS
index f41420e..9d252e2 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,6 @@
 New Features and Important Changes in ctools 1.2.0
 
-12 August 2016
+26 September 2016
 
 
 Introduction
@@ -32,6 +32,14 @@ observation container. The class implements the following methods:
 - next_unbinned_observation()  Next unbinned CTA observation in container
 The following ctools derive from the class:
 - ctbin
+- ctbkgcube
+- ctcubemask
+- ctedispcube
+- ctexpcube
+- ctmodel
+- ctobssim
+- ctpsfcube
+- ctselect
 - ctskymap
 
 The ctlikelihood base class that derives from the ctobservation base class
@@ -41,6 +49,7 @@ class implements the following methods:
 - opt()      Returns pointer to optimizer
 - evaluate() Evaluates log-likelihood at a given parameter value
 The following ctools derive from the class:
+- ctbutterfly
 - cterror
 - ctlike
 - cttsmap
@@ -66,6 +75,9 @@ ctool base class, and exposed in Python as _time_reference().
 
 ctbin - CTA event binning
 -------------------------
+The ctbin segfaulted when running on an observation container with different
+energy thresholds. This problem is now fixed (#1850).
+
 The clear() method now calls GApplication::clear() to conserve the properties
 of the tool (#1835).
 
diff --git a/cscripts/csresmap.par b/cscripts/csresmap.par
index a2e1d0b..ec82ffb 100644
--- a/cscripts/csresmap.par
+++ b/cscripts/csresmap.par
@@ -35,7 +35,7 @@ outmap,    f, a, resmap.fits,,, "Output residual map file"
 ebinalg,   s, h, LOG,LIN|LOG|FILE,, "Binning algorithm"
 emin,      r, a, 0.1,,, "Lower energy limit (TeV)"
 emax,      r, a, 100.0,,, "Upper energy limit (TeV)"
-enumbins,  i, a, 20,,, "Number of energy bins (0=unbinned)"
+enumbins,  i, h, 20,,, "Number of model cube energy bins"
 ebinfile,  f, a, NONE,,, "Name of the file containing the energy bin definition"
 coordsys,  s, a, CEL,CEL|GAL,, "Coordinate System"
 proj,      s, a, CAR,AIT|AZP|CAR|MER|MOL|STG|TAN,, "Projection method"