diff --git a/changes/1010.bugfix.rst b/changes/1010.bugfix.rst
deleted file mode 100644
index bed6ace3a..000000000
--- a/changes/1010.bugfix.rst
+++ /dev/null
@@ -1 +0,0 @@
-Briefcase now prevents running commands targeting Windows platforms when not on Windows.
diff --git a/changes/1062.feature.rst b/changes/1062.feature.rst
deleted file mode 100644
index 3a69cb7bb..000000000
--- a/changes/1062.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-A Linux System backend was added, supporting ``.deb`` as a packaging format.
diff --git a/changes/1063.feature.rst b/changes/1063.feature.rst
deleted file mode 100644
index 0cdcb5506..000000000
--- a/changes/1063.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-Support for `.rpm` packaging was added to the Linux system backend.
diff --git a/changes/1070.misc.rst b/changes/1070.misc.rst
deleted file mode 100644
index 6b137cfc8..000000000
--- a/changes/1070.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-A GitHub workflow now runs every Sunday at 2000 UTC to check for updates to ``pre-commit`` hooks and commits them to a new PR.
diff --git a/changes/1074.misc.rst b/changes/1074.misc.rst
deleted file mode 100644
index 445f3ef78..000000000
--- a/changes/1074.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-The ``docformatter`` hook for ``pre-commit`` was removed in favor of docstring formatting by ``black``.
diff --git a/changes/1075.misc.rst b/changes/1075.misc.rst
deleted file mode 100644
index 0ea54fab1..000000000
--- a/changes/1075.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated the hooks for ``pre-commit`` to recent versions.
diff --git a/changes/1076.misc.rst b/changes/1076.misc.rst
deleted file mode 100644
index 75ccb4aaa..000000000
--- a/changes/1076.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-The handling of version information in the documentation sidebar was corrected.
diff --git a/changes/1077.feature.rst b/changes/1077.feature.rst
deleted file mode 100644
index 28bd709c0..000000000
--- a/changes/1077.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-Support for passthrough arguments was added to the ``dev`` and ``run`` commands.
diff --git a/changes/1080.misc.rst b/changes/1080.misc.rst
deleted file mode 100644
index 2e49ac091..000000000
--- a/changes/1080.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated CI to use shared workflows from ``.github`` repository.
diff --git a/changes/1084.misc.rst b/changes/1084.misc.rst
deleted file mode 100644
index c8823c5a4..000000000
--- a/changes/1084.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated tox from 4.4.2 to 4.4.4.
diff --git a/changes/1085.misc.rst b/changes/1085.misc.rst
deleted file mode 100644
index f9d2a9138..000000000
--- a/changes/1085.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated pre-commit from 3.0.2 to 3.0.4.
diff --git a/changes/1086.misc.rst b/changes/1086.misc.rst
deleted file mode 100644
index ecf046add..000000000
--- a/changes/1086.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated actions/cache from 3.2.3 to 3.2.4.
diff --git a/changes/1087.misc.rst b/changes/1087.misc.rst
deleted file mode 100644
index 96df9f5ab..000000000
--- a/changes/1087.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Handle differences in UNC path parsing when generating extractPackages.
diff --git a/changes/1089.feature.rst b/changes/1089.feature.rst
deleted file mode 100644
index e76ac7dc9..000000000
--- a/changes/1089.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-Users can now define custom content to include in their ``pyscript.toml`` configuration file for web deployments.
diff --git a/changes/1094.misc.rst b/changes/1094.misc.rst
deleted file mode 100644
index 6c12ff84c..000000000
--- a/changes/1094.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-The documentation is now available as a PDF on readthedocs.
diff --git a/changes/1096.misc.rst b/changes/1096.misc.rst
deleted file mode 100644
index ea6313c11..000000000
--- a/changes/1096.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Correct Python version where UNC path parsing changed
diff --git a/changes/1097.misc.rst b/changes/1097.misc.rst
deleted file mode 100644
index aede8a296..000000000
--- a/changes/1097.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Update platformdirs requirement from <3.0,>=2.6 to >=2.6,<4.0.
diff --git a/changes/1098.misc.rst b/changes/1098.misc.rst
deleted file mode 100644
index 3792370a1..000000000
--- a/changes/1098.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated tox from 4.4.4 to 4.4.5.
diff --git a/changes/1100.bugfix.rst b/changes/1100.bugfix.rst
deleted file mode 100644
index e66bec75c..000000000
--- a/changes/1100.bugfix.rst
+++ /dev/null
@@ -1 +0,0 @@
-The command to store notarization credentials no longer causes Briefcase to hang.
diff --git a/changes/1101.feature.rst b/changes/1101.feature.rst
deleted file mode 100644
index bd9c61995..000000000
--- a/changes/1101.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-The `new` command now allows for specifying a custom template branch, as well as a custom template.
diff --git a/changes/1103.misc.rst b/changes/1103.misc.rst
deleted file mode 100644
index 927ed983f..000000000
--- a/changes/1103.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated sphinxcontrib-spelling from 7.7.0 to 8.0.0.
diff --git a/changes/1109.misc.rst b/changes/1109.misc.rst
deleted file mode 100644
index 48f93ba51..000000000
--- a/changes/1109.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated pre-commit from 3.0.4 to 3.1.0.
diff --git a/changes/1110.misc.rst b/changes/1110.misc.rst
deleted file mode 100644
index 416cb8228..000000000
--- a/changes/1110.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated tox from 4.4.5 to 4.4.6.
diff --git a/changes/1111.misc.rst b/changes/1111.misc.rst
deleted file mode 100644
index c8159cbd9..000000000
--- a/changes/1111.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated coverage[toml] from 7.1.0 to 7.2.1.
diff --git a/changes/1119.misc.rst b/changes/1119.misc.rst
deleted file mode 100644
index 5429c1b9b..000000000
--- a/changes/1119.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated pre-commit from 3.1.0 to 3.1.1.
diff --git a/changes/1120.misc.rst b/changes/1120.misc.rst
deleted file mode 100644
index cc4480ab4..000000000
--- a/changes/1120.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Updated pytest from 7.2.1 to 7.2.2.
diff --git a/changes/1122.bugfix.rst b/changes/1122.bugfix.rst
deleted file mode 100644
index e821dbb1f..000000000
--- a/changes/1122.bugfix.rst
+++ /dev/null
@@ -1 +0,0 @@
-macOS developer tool installation prompts have been improved.
diff --git a/changes/1130.misc.rst b/changes/1130.misc.rst
deleted file mode 100644
index fe68a3e79..000000000
--- a/changes/1130.misc.rst
+++ /dev/null
@@ -1 +0,0 @@
-CI configuration was modified to ensure that System packages will complete successfully.
diff --git a/changes/424.feature.rst b/changes/424.feature.rst
deleted file mode 100644
index 3f462fda1..000000000
--- a/changes/424.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-Distribution artefacts are now generated into a single ``dist`` folder.
diff --git a/changes/804.bugfix.rst b/changes/804.bugfix.rst
deleted file mode 100644
index da613314a..000000000
--- a/changes/804.bugfix.rst
+++ /dev/null
@@ -1 +0,0 @@
-Spaces are no longer used in the paths for generated app templates.
diff --git a/changes/930.bugfix.rst b/changes/930.bugfix.rst
deleted file mode 100644
index a3bc8bdfc..000000000
--- a/changes/930.bugfix.rst
+++ /dev/null
@@ -1 +0,0 @@
-The stub executable used by Windows now clears the threading mode before starting the Python app. This caused problems with displaying dialogs in Qt apps.
diff --git a/changes/986.feature.rst b/changes/986.feature.rst
deleted file mode 100644
index 85e1089fb..000000000
--- a/changes/986.feature.rst
+++ /dev/null
@@ -1 +0,0 @@
-When installing application sources and dependencies, any ``__pycache__`` folders are now automatically removed.
diff --git a/docs/background/releases.rst b/docs/background/releases.rst
index d7231f798..e22faf4d3 100644
--- a/docs/background/releases.rst
+++ b/docs/background/releases.rst
@@ -4,6 +4,54 @@ Release History
 
 .. towncrier release notes start
 
+0.3.13 (2023-03-10)
+===================
+
+Features
+--------
+
+* Distribution artefacts are now generated into a single ``dist`` folder. (`#424 <https://github.com/beeware/briefcase/issues/424>`__)
+* When installing application sources and dependencies, any ``__pycache__`` folders are now automatically removed. (`#986 <https://github.com/beeware/briefcase/issues/986>`__)
+* A Linux System backend was added, supporting ``.deb`` as a packaging format. (`#1062 <https://github.com/beeware/briefcase/issues/1062>`__)
+* Support for ``.rpm`` packaging was added to the Linux system backend. (`#1063 <https://github.com/beeware/briefcase/issues/1063>`__)
+* Support for passthrough arguments was added to the ``dev`` and ``run`` commands. (`#1077 <https://github.com/beeware/briefcase/issues/1077>`__)
+* Users can now define custom content to include in their ``pyscript.toml`` configuration file for web deployments. (`#1089 <https://github.com/beeware/briefcase/issues/1089>`__)
+* The ``new`` command now allows for specifying a custom template branch, as well as a custom template. (`#1101 <https://github.com/beeware/briefcase/issues/1101>`__)
+
+Bugfixes
+--------
+
+* Spaces are no longer used in the paths for generated app templates. (`#804 <https://github.com/beeware/briefcase/issues/804>`__)
+* The stub executable used by Windows now clears the threading mode before starting the Python app. This caused problems with displaying dialogs in Qt apps. (`#930 <https://github.com/beeware/briefcase/issues/930>`__)
+* Briefcase now prevents running commands targeting Windows platforms when not on Windows. (`#1010 <https://github.com/beeware/briefcase/issues/1010>`__)
+* The command to store notarization credentials no longer causes Briefcase to hang. (`#1100 <https://github.com/beeware/briefcase/issues/1100>`__)
+* macOS developer tool installation prompts have been improved. (`#1122 <https://github.com/beeware/briefcase/issues/1122>`__)
+
+Misc
+----
+
+* `#1070 <https://github.com/beeware/briefcase/issues/1070>`__, `#1074
+  <https://github.com/beeware/briefcase/issues/1074>`__, `#1075
+  <https://github.com/beeware/briefcase/issues/1075>`__, `#1076
+  <https://github.com/beeware/briefcase/issues/1076>`__, `#1080
+  <https://github.com/beeware/briefcase/issues/1080>`__, `#1084
+  <https://github.com/beeware/briefcase/issues/1084>`__, `#1085
+  <https://github.com/beeware/briefcase/issues/1085>`__, `#1086
+  <https://github.com/beeware/briefcase/issues/1086>`__, `#1087
+  <https://github.com/beeware/briefcase/issues/1087>`__, `#1094
+  <https://github.com/beeware/briefcase/issues/1094>`__, `#1096
+  <https://github.com/beeware/briefcase/issues/1096>`__, `#1097
+  <https://github.com/beeware/briefcase/issues/1097>`__, `#1098
+  <https://github.com/beeware/briefcase/issues/1098>`__, `#1103
+  <https://github.com/beeware/briefcase/issues/1103>`__, `#1109
+  <https://github.com/beeware/briefcase/issues/1109>`__, `#1110
+  <https://github.com/beeware/briefcase/issues/1110>`__, `#1111
+  <https://github.com/beeware/briefcase/issues/1111>`__, `#1119
+  <https://github.com/beeware/briefcase/issues/1119>`__, `#1120
+  <https://github.com/beeware/briefcase/issues/1120>`__, `#1130
+  <https://github.com/beeware/briefcase/issues/1130>`__
+
+
 0.3.12 (2023-01-30)
 ===================
 
diff --git a/docs/how-to/internal/release.rst b/docs/how-to/internal/release.rst
index 148e82d18..2d6bb3d6c 100644
--- a/docs/how-to/internal/release.rst
+++ b/docs/how-to/internal/release.rst
@@ -41,6 +41,7 @@ The procedure for cutting a new release is as follows:
    * briefcase-windows-VisualStudio-template
    * briefcase-linux-appimage-template
    * briefcase-linux-flatpak-template
+   * briefcase-linux-system-template
    * briefcase-iOS-Xcode-template
    * briefcase-android-gradle-template
    * briefcase-web-static-template