SasView · krzywon · May 7, 2026 · Oct 29, 2025 · Oct 30, 2025 · Oct 30, 2025
diff --git a/LICENSE.TXT b/LICENSE.TXT
@@ -1,4 +1,4 @@
-Copyright (c) 2009-2025, SasView Developers
+Copyright (c) 2009-2026, SasView Developers
 
 All rights reserved.
 

diff --git a/build_tools/application_metadata/org.sasview.sasview.metainfo.xml b/build_tools/application_metadata/org.sasview.sasview.metainfo.xml
@@ -20,7 +20,7 @@
   <url type="vcs-browser">https://github.com/SasView/sasview</url>
 
   <releases>
-    <release version="6.1.1" date="2025-09-15"></release>
+    <release version="6.1.3" date="2026-03-11"></release>
   </releases>
 
   <launchable type="desktop-id">org.sasview.sasview.desktop</launchable>

diff --git a/build_tools/contributors.tsv b/build_tools/contributors.tsv
@@ -15,6 +15,7 @@ Name	Affiliation	Creator	Producer	RelatedPerson	ReleaseManager	ORCID	Notes
 "Cadwallader-Jones, Iestyn"	Institut Laue-Langevin	x					None
 "Campbell, Kieran"	ISIS Neutron and Muon Source	x					None
 "Cho, Jae-Hie"	"University of Tennessee, Knoxville"	x					None
+"Conan, Romain"	"Charles University"	x					None
 "Cooper-Benun, Torin"	ISIS Neutron and Muon Source	x					None
 "Cortes Hernandez, R"	"University of Tennessee, Knoxville"	x					None
 "Corona, Patrick"	"University of California, Santa Barbara"			x			None

diff --git a/docs/sphinx-docs/source/user/RELEASE.rst b/docs/sphinx-docs/source/user/RELEASE.rst
@@ -13,6 +13,66 @@ Release Notes
 Features
 ========
 
+Jump to:
+:ref:`release_6_1_3` | :ref:`release_6_1_2` | :ref:`release_6_1_1` | :ref:`release_6_1_0`
+ | :ref:`release_6_0_1` | :ref:`release_6_0_0`
+ | :ref:`release_5_0_6` | :ref:`release_5_0_5` | :ref:`release_5_0_4` | :ref:`release_5_0_3` | :ref:`release_5_0_2`
+ | :ref:`release_5_0_1` | :ref:`release_5_0_0`
+ | :ref:`release_4_2_0` | :ref:`release_4_1_2` | :ref:`release_4_1_1` | :ref:`release_4_1_0`
+ | :ref:`release_4_0_1` | :ref:`release_4_0_0`
+ | :ref:`release_3_1_2` | :ref:`release_3_1_1` | :ref:`release_3_1_0` | :ref:`release_3_0_0`
+ | :ref:`release_2_2_1` | :ref:`release_2_2_0`
+
+.. _release_6_1_3:
+New in Version 6.1.3
+--------------------
+
+This is a minor bug fix release of SasView. It is built with Sasmodels v1.0.12, Sasdata v0.11.0, and Bumps v1.0.2.
+
+Bug fixes
+^^^^^^^^^
+
+* Fix handling cancel action on single fit with multi constraint by @bmaranville in https://github.com/SasView/sasview/pull/3808
+* Fix unchecking constraints by @bmaranville in https://github.com/SasView/sasview/pull/3809
+* Fix complex compiled constraints by @bmaranville in https://github.com/SasView/sasview/pull/3811
+* Fix for project load breaking the replace fit button by @krzywon in https://github.com/SasView/sasview/pull/3816
+* Fixing name for dispersity parameter for multishell models by @dehoni in https://github.com/SasView/sasview/pull/3779
+* Adds logger error for unsuitably scaled axes by @DrPaulSharp in https://github.com/SasView/sasview/pull/3778
+* Fixed disconnect logic with the proper PySide6 signal checking method by @rozyczko in https://github.com/SasView/sasview/pull/3771
+* Revert the polydisp table to the original state on model change by @rozyczko in https://github.com/SasView/sasview/pull/3768
+* Fixes for quick plotting - both 1D and 3D by @rozyczko in https://github.com/SasView/sasview/pull/3749
+* Warn user before starting scattering calcs on large structures by @klytje in https://github.com/SasView/sasview/pull/3737
+* Ensure polydispersity and magnetic parameters are available in batch fitting by @rozyczko in https://github.com/SasView/sasview/pull/3843
+* Ensure orientation parameters are available in polydispersity panel by @DrPaulSharp in https://github.com/SasView/sasview/pull/3855
+* Fix issue related to model order in constrained fit window by @rozyczko in https://github.com/SasView/sasview/pull/3857
+
+Documentation fixes
+^^^^^^^^^^^^^^^^^^^
+
+* Factor out documentation-locating code to be portable by @llimeht in https://github.com/SasView/sasview/pull/3667
+* Prevent crashes and log errors if docs can't be found by @llimeht in https://github.com/SasView/sasview/pull/3689
+* Fix typo in Kiessig calculator documentation by @conanr-create in https://github.com/SasView/sasview/pull/3750
+* Fix typo in help documentation for fitting options by @butlerpd in https://github.com/SasView/sasview/pull/3736
+
+Linting changes
+^^^^^^^^^^^^^^^
+
+* Clean up some nitpicks - dead file removal by @llimeht in https://github.com/SasView/sasview/pull/3735
+* Remove some big files from the distributions by @llimeht in https://github.com/SasView/sasview/pull/3482
+
+## New Contributors
+* @conanr-create made their first contribution in https://github.com/SasView/sasview/pull/3750
+
+**Full Changelog**: https://github.com/SasView/sasview/compare/v6.1.2...v6.1.3a1
+
+Known Issues
+^^^^^^^^^^^^
+All known bugs and feature requests can be found in the issues on github.
+
+`sasview issues <https://github.com/SasView/sasview/issues>`_ | `sasmodels issues <https://github.com/SasView/sasmodels/issues>`_ | `sasdata issues <https://github.com/SasView/sasdata/issues>`_
+
+
+.. _release_6_1_2:
 New in Version 6.1.2
 --------------------
 
@@ -70,6 +130,14 @@ Infrastructure Changes
 
 **Full Changelog**: https://github.com/SasView/sasview/compare/v6.1.1...v6.1.2rc1
 
+Known Issues
+^^^^^^^^^^^^
+All known bugs and feature requests can be found in the issues on github.
+
+`sasview issues <https://github.com/SasView/sasview/issues>`_ | `sasmodels issues <https://github.com/SasView/sasmodels/issues>`_ | `sasdata issues <https://github.com/SasView/sasdata/issues>`_
+
+
+.. _release_6_1_1:
 New in Version 6.1.1
 --------------------
 
@@ -124,7 +192,14 @@ Infrastructure Changes
 
 **Full Changelog**: https://github.com/SasView/sasview/compare/v6.1.0...v6.1.1
 
+Known Issues
+^^^^^^^^^^^^
+All known bugs and feature requests can be found in the issues on github.
 
+`sasview issues <https://github.com/SasView/sasview/issues>`_ | `sasmodels issues <https://github.com/SasView/sasmodels/issues>`_ | `sasdata issues <https://github.com/SasView/sasdata/issues>`_
+
+
+.. _release_6_1_0:
 New in Version 6.1.0
 --------------------
 
@@ -175,6 +250,7 @@ All known bugs and feature requests can be found in the issues on github.
 `sasview issues <https://github.com/SasView/sasview/issues>`_ | `sasmodels issues <https://github.com/SasView/sasmodels/issues>`_ | `sasdata issues <https://github.com/SasView/sasdata/issues>`_
 
 
+.. _release_6_0_1:
 New in Version 6.0.1
 --------------------
 This is a bug fix release and the issues fixed for this release are described below.
@@ -221,6 +297,7 @@ All known bugs and feature requests can be found in the issues on github.
 `sasview issues <https://github.com/SasView/sasview/issues>`_ | `sasmodels issues <https://github.com/SasView/sasmodels/issues>`_ | `sasdata issues <https://github.com/SasView/sasdata/issues>`_
 
 
+.. _release_6_0_0:
 New in Version 6.0.0
 --------------------
 This is a major release with a number of new features, enhancements, and bug fixes as described below. Many of the new
@@ -398,6 +475,7 @@ Note the sasmodels issues are now separate from the sasview issues (i.e. differe
 `[sasmodels] <https://github.com/SasView/sasmodels/milestones>`_
 
 
+.. _release_5_0_6:
 New in Version 5.0.6
 --------------------
 This is a point release which fixes a number of issues reported in earlier versions
@@ -476,6 +554,7 @@ Note the sasmodels issues are now separate from the sasview issues (i.e. differe
 `[sasmodels] <https://github.com/SasView/sasmodels/milestones>`_
 
 
+.. _release_5_0_5:
 New in Version 5.0.5
 --------------------
 This is a point release which fixes some issues reported in earlier versions
@@ -642,6 +721,7 @@ Note the sasmodels issues are now separate from the sasview issues (i.e. differe
 `[sasmodels] <https://github.com/SasView/sasmodels/milestones>`_
 
 
+.. _release_5_0_4:
 New in Version 5.0.4
 --------------------
 This is a point release which fixes some issues reported in earlier versions
@@ -819,6 +899,7 @@ Note the sasmodels issues are now separate from the sasview issues (i.e. differe
 `[sasmodels] <https://github.com/SasView/sasmodels/milestones>`_
 
 
+.. _release_5_0_3:
 New in Version 5.0.3
 --------------------
 This is a point release which fixes several issues, but in particular:
@@ -908,6 +989,7 @@ Note the sasmodels issues are now separate from the sasview issues (i.e. differe
 `[sasmodels] <https://github.com/SasView/sasmodels/milestones>`_
 
 
+.. _release_5_0_2:
 New in Version 5.0.2
 --------------------
 This is a point release which fixes several issues reported in version 5.0.1, however
@@ -954,6 +1036,7 @@ enhance the invariant documentation.
 Also, at this time, and unlike version 4.x, only fitting sessions can be saved as project files.
 
 
+.. _release_5_0_1:
 New in Version 5.0.1
 --------------------
 This is a point release which fixes several issues reported in version 5.0.0.
@@ -1004,6 +1087,8 @@ models directly. For example::
      Model = make_model_from_info(model_info)
 
 
+
+.. _release_5_0_0:
 New in Version 5.0
 ------------------
 This is a new version of SasView featuring new and enhanced GUI, back-end calculations,
@@ -1041,6 +1126,7 @@ All the known bugs/feature requests can be found in the issues on github.
 `[sasmodels] <https://github.com/SasView/sasmodels/milestones>`_
 
 
+.. _release_4_2_0:
 New in Version 4.2.0
 --------------------
 This release heralds many improvements and a host of bug fixes, along with
@@ -1294,6 +1380,7 @@ Highlights are:
 In the meantime please report any bugs or issues found while using this beta
 
 
+.. _release_4_1_2:
 New in Version 4.1.2
 --------------------
 This point release is a bug-fix release addressing:
@@ -1305,6 +1392,7 @@ This point release is a bug-fix release addressing:
 It is recommended that all users upgrade to this version
 
 
+.. _release_4_1_1:
 New in Version 4.1.1
 --------------------
 This point release is a bug-fix release addressing:
@@ -1319,6 +1407,7 @@ This point release is a bug-fix release addressing:
 * Updated tutorials for SasView 4.x.y
 
 
+.. _release_4_1_0:
 New in Version 4.1.0
 --------------------
 This incremental release brings a series of new features and improvements,
@@ -1382,13 +1471,15 @@ Bug Fixes
 * Numerous grammatical and contexual errors in documention
 
 
+.. _release_4_0_1:
 New in Version 4.0.1
 --------------------
 This release fixes the critical bug #750 in P(Q)xS(Q).  Most damaging
 it appears that the background term was being added to S(Q) prior to
 multiplication by P(Q).
 
 
+.. _release_4_0_0:
 New in Version 4.0
 ------------------
 This release fixes the various bugs found during the alpha and beta testing
@@ -1491,6 +1582,7 @@ Bug fixes
 * Fixes #556: Build script improvements for developers
 
 
+.. _release_3_1_2:
 New in Version 3.1.2
 --------------------
 This release is a major stability improvement, having fixed a serious bug
@@ -1508,12 +1600,14 @@ that came to light since release 3.1.1. All users should upgrade.
 * Fixes #488: redraw issues in fit page
 
 
+.. _release_3_1_1:
 New in Version 3.1.1
 --------------------
 Fixes #457 that prevented SasView from starting if the user was not
 connected to the internet, or was behind a proxy server.
 
 
+.. _release_3_1_0:
 New in Version 3.1.0
 --------------------
 The documentation/help has had a complete overhaul including:
@@ -1579,6 +1673,7 @@ Other work:
   non-project personnel through pull requests.
 
 
+.. _release_3_0_0:
 New in Version 3.0.0
 --------------------
 * The GUI look and feel has been refactored to be more familiar for
@@ -1611,6 +1706,7 @@ New in Version 3.0.0
     data. Supported formats include: TIFF, TIF, PNG, BMP, JPG.
 
 
+.. _release_2_2_1:
 New in Version 2.2.1
 --------------------
 * Minor patch to support CanSAS XML v1.1 file format
@@ -1624,6 +1720,7 @@ New in Version 2.2.1
 * Fixed a number of other minor bugs
 
 
+.. _release_2_2_0:
 New in Version 2.2.0
 --------------------
 * Application name changed to SasView

diff --git a/docs/sphinx-docs/source/user/tutorial.rst b/docs/sphinx-docs/source/user/tutorial.rst
@@ -7,6 +7,8 @@ Tutorials
 
 .. note:: In Windows use [Alt]-[Cursor left] to return to the previous page
 
+The following links will download as a PDF file into your default download location:
+
 :download:`Getting Started with Sasview <sasview/getting_started_with_sasview_v5.pdf>`
 
 :download:`Subtracting a Model Calculation from Experimental Data <sasview/subtracting_a_model_calculation_from_real_data_v5.pdf>`

diff --git a/installers/installer.iss b/installers/installer.iss
@@ -2,8 +2,8 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "SasView"
-#define MyAppVersion "6.1.2"
-#define MyAppPublisher "(c) 2009 - 2025, UTK, UMD, NIST, ORNL, ISIS, ESS, ILL, ANSTO, TU Delft and DLS"
+#define MyAppVersion "6.1.3"
+#define MyAppPublisher "(c) 2009 - 2026, UTK, NIST, UMD, ORNL, ISIS, ESS, ILL, ANSTO, TU Delft, DLS, SciLifeLab, and the scattering community"
 #define MyAppURL "http://www.sasview.org"
 #define MyAppExeName "sasview.exe"
 

diff --git a/installers/license.txt b/installers/license.txt
@@ -18,4 +18,4 @@ sentence:
 *"This work benefited from the use of the SasView application, originally 
 developed under NSF award DMR-0520547."*
 
-Copyright (c) 2009-2025, SasView Developers
+Copyright (c) 2009-2026, SasView Developers
diff --git a/src/sas/qtgui/MainWindow/UnitTesting/WelcomePanelTest.py b/src/sas/qtgui/MainWindow/UnitTesting/WelcomePanelTest.py
@@ -30,5 +30,5 @@ def testVersion(self, widget):
         assert isinstance(version, QtWidgets.QLabel)
 
         assert "SasView" in version.text()
-        for inst in "UTK, UMD, ESS, NIST, ORNL, ISIS, ILL, DLS, TUD, BAM, ANSTO".split(", "):
+        for inst in "UTK, UMD, ESS, NIST, ORNL, ISIS, ILL, DLS, TU Delft, SciLifeLab, ANSTO".split(", "):
             assert inst in ack.text()
diff --git a/src/sas/qtgui/MainWindow/WelcomePanel.py b/src/sas/qtgui/MainWindow/WelcomePanel.py
@@ -18,6 +18,7 @@ def __init__(self, parent=None):
         ver = "\nSasView %s\n%s" % (version, legal.copyright)
 
         self.lblVersion.setText(ver)
+        self.lblAcknowledgements.setText(legal.about)
 
         # no reason to have this widget resizable
         self.setFixedSize(self.minimumSizeHint())
diff --git a/src/sas/qtgui/Perspectives/Fitting/FittingWidget.py b/src/sas/qtgui/Perspectives/Fitting/FittingWidget.py
@@ -230,6 +230,9 @@ def dataFromItems(self, value: QtGui.QStandardItem | list[QtGui.QStandardItem])
                 self._logic.append(logic)
             # Option widget logic was destroyed - reestablish
             self.options_widget.logic = self._logic[0]
+            # Ensure auxiliary widgets point at the new logic instance
+            self.polydispersity_widget.logic = self._logic[0]
+            self.magnetism_widget.logic = self._logic[0]
             # update the ordering tab
             self.order_widget.updateData(self.all_data)
 

diff --git a/src/sas/system/legal.py b/src/sas/system/legal.py
@@ -8,6 +8,22 @@ class Legal:
     def __init__(self):
         year = datetime.datetime.now().year
         self.copyright = f"Copyright (c) 2009-{year}, SasView Developers"
+        self.about = """
+                <html>
+                    <head/>
+                    <body>
+                        <p>
+                            This work originally developed as part of the DANSE project funded by the NSF under
+                             grant DMR-0520547, and currently maintained by UTK, NIST, UMD, ORNL, ISIS, ESS, ILL,
+                             ANSTO, TU Delft, DLS, SciLifeLab, and the scattering community.
+                        </p>
+                        <p>
+                            SasView also contains code developed with funding from the EU Horizon 2020 programme under
+                             the SINE2020 project (Grant No 654000).
+                        </p>
+                    </body>
+                </html>"""
+
 
     @property
     def credits_html(self) -> Path:

diff --git a/src/sas/system/resources.py b/src/sas/system/resources.py
@@ -167,9 +167,9 @@ def path_to_resource_directory(self, src: str | PurePath) -> Path:
         if path:
             # this will be a entry within the directory or possibly even a subdirectory
             # need to walk up to find the entry we really want
-            match = f"/{self.module}/{src}"   # pathlib.Path directories don't end in /
+            match = str(Path(f"/{self.module}/{src}"))  # pathlib.Path directories don't end in /
             for part in itertools.chain([path], path.parents):
-                if str(part).endswith(match):
+                if str(Path(part)).endswith(match):
                     return part
             # if the upwards search falls through to here, then something went wrong
             # with the original filtering of the RECORD data, but allow it to try

diff --git a/src/sas/system/version.py b/src/sas/system/version.py
@@ -3,9 +3,9 @@
 try:
     from ._version import __version__
 except ImportError:
-    __version__ = "6.1.2"
+    __version__ = "6.1.3"
 
-__release_date__ = "2025"
+__release_date__ = "2026"
 __version_parsed__ = Version(__version__)
 
 __all__ = ["__version_parsed__", "__release_date__", "__version__"]
diff --git a/src/sas/system/zenodo.py b/src/sas/system/zenodo.py
@@ -0,0 +1 @@
+__DOI__ = "10.5281/zenodo.18352296"