Prepare for 0.5.6 release

Author: Ben Jeffery

c/tests/test_minimal_cpp.cpp

@@ -1,6 +1,6 @@
 /* * MIT License
  *
- * Copyright (c) 2019-2022 Tskit Developers
+ * Copyright (c) 2019-2023 Tskit Developers
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

python/CHANGELOG.rst

@@ -1,5 +1,5 @@
 --------------------
-[0.5.6] - 2023-XX-XX
+[0.5.6] - 2023-10-10
 --------------------
 
 **Breaking Changes**
@@ -22,6 +22,12 @@
 - Add ``asdict`` to all dataclasses. These are returned when you access a row or
   other tree sequence object. (:user:`benjeffery`, :pr:`2759`, :issue:`2719`)
 
+**Bugfixes**
+
+- Fix incompatibility with ``jsonschema>4.18.6`` which caused
+  ``AttributeError: module jsonschema has no attribute _validators``
+  (:user:`benjeffery`, :pr:`2844`, :issue:`2840`)
+
 --------------------
 [0.5.5] - 2023-05-17
 --------------------

python/tests/test_util.py

@@ -1,6 +1,6 @@
 # MIT License
 #
-# Copyright (c) 2018-2022 Tskit Developers
+# Copyright (c) 2018-2023 Tskit Developers
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal

python/tskit/_version.py

@@ -1,4 +1,4 @@
 # Definitive location for the version number.
 # During development, should be x.y.z.devN
 # For beta should be x.y.zbN
-tskit_version = "0.5.5"
+tskit_version = "0.5.6"