Pre-release

benjeffery · mergify[bot] · commit 6f80cf2d84b7 · 2021-12-07T18:49:17.000Z
diff --git a/python/CHANGELOG.rst b/python/CHANGELOG.rst
@@ -1,6 +1,6 @@
---------------------
-[0.4.0] - 2021-1X-XX
---------------------
+----------------------
+[0.4.0b1] - 2021-12-07
+----------------------
 
 **Breaking changes**
 
diff --git a/python/tskit/_version.py b/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 = "0.3.8.dev1"
+tskit_version = "0.4.0b1"
