Environments.md

@@ -33,6 +33,28 @@ Below is the change history for the stable CDS environment. Follow the links bel
 
 [Unstable Environment](UnstableEnvironment)
 
+## Version 2022-12-01 [01]
+
+The following package specifications were removed[^removed]:
+
+| Package name | Previous version |
+| ------------ | ---------------- |
+| python | 3.9.13 |
+
+The following package specifications were upgraded:
+
+| Package name | Previous version | Current version |
+| ------------ | ---------------- | --------------- |
+| gwpy | 3.0.0 | 3.0.1 |
+| pydarm | 0.0.6 | 0.1 |
+
+The following package specifications were tightened:
+
+| Package name | Previous version | Current version |
+| ------------ | ---------------- | --------------- |
+| python | 3.9 | 3.9,<3.9.14 |
+
+
 ## Version 2022-11-23 [01]
 
 The following package specifications were added: