Re #23086 Release notes and doc update

docs/source/algorithms/ReflectometryReductionOneAuto-v2.rst

@@ -89,14 +89,8 @@ Polarization Analysis Off
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 
 If :literal:`PolarizationAnalysis = None` the reduction stops here. Note that if
-transmission runs are given in the form of a workspace group, each member in the
-transmission group will be associated to the corresponding member in the input
-workspace group, i.e., the first item in the transmission group will be used as the
-transmission run for the first workspace in the input workspace group, the second
-element in the transmission group will be used as the transmission run for the
-second workspace in the input workspace group, etc. This is also illustrated
-in the diagram above, where :literal:`[0]` represents the first element in a
-workspace group, :literal:`[1]` the second element, etc. If transmission runs
+transmission runs are given in the form of a workspace group, then the first 
+element in the group will be used on every input workspace. If transmission runs
 are provided as matrix workspaces the specified runs will be used for all members
 of the input workspace group.
 
@@ -122,12 +116,12 @@ The result will be a new workspace in wavelength, which will override the
 previous one, that will be used as input to
 :ref:`algm-ReflectometryReductionOne` to calculate the new output workspaces in
 Q, which in turn will override the existing workspaces in Q. Note that if
-transmission runs are provided in the form of workspace groups, the individual
-workspaces will be summed to produce a matrix workspace that will be used as
-the transmission run for all items in the input workspace group, as illustrated
-in the diagram below (note that, for the sake of clarity, the rebinned output
-workspace in Q, :literal:`OutputWorkspaceBinned`, is not represented but it is
-handled analogously to :literal:`OutputWorkspace`).
+transmission runs are provided in the form of workspace groups, then the 
+first workspace in the group workspaces will be summed to produce a matrix 
+workspace that will be used as the transmission run for all items in the input 
+workspace group, as illustrated in the diagram below (note that, for the sake of 
+clarity, the rebinned output workspace in Q, :literal:`OutputWorkspaceBinned`, is 
+not represented but it is handled analogously to :literal:`OutputWorkspace`).
 
 .. diagram:: ReflectometryReductionOneAuto-v2-Groups_PA_wkflw.dot
 

docs/source/release/v3.14.0/reflectometry.rst

@@ -59,5 +59,6 @@ Bug fixes
 #########
 
 - A bug has been fixed on the Settings tab where the IncludePartialBins check box had been hidden by a misplaced text entry box.
+- :ref:`algm-ReflectometryReductionOneAuto` No longer sums all of a transmission run's workspaces and instead will use the first run only
 
 :ref:`Release 3.14.0 <v3.14.0>`