diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index fbf9fde3c..a63a402c5 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,5 @@
+# Next Release
+
 # Release v3.3.0
 
 ## Highlights
diff --git a/docs/api/general.rst b/docs/api/general.rst
index 1e8cc3851..be84c692d 100644
--- a/docs/api/general.rst
+++ b/docs/api/general.rst
@@ -6,11 +6,3 @@ General functions
 .. autofunction:: concat
 
 .. autofunction:: compare
-
-.. autofunction:: require_variable
-
-.. autofunction:: validate
-
-.. autofunction:: categorize
-
-.. autofunction:: check_aggregate
diff --git a/docs/index.rst b/docs/index.rst
index 09f8c95c6..e2735eac1 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -24,7 +24,7 @@ Release v\ |version|.
 .. |ruff| image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/charliermarsh/ruff/main/assets/badge/v2.json
    :target: https://github.com/astral-sh/ruff
 
-.. |python| image:: https://img.shields.io/badge/python-≥3.10,<3.14-blue?logo=python&logoColor=white
+.. |python| image:: https://img.shields.io/badge/python-≥3.10,<3.15-blue?logo=python&logoColor=white
    :target: https://github.com/IAMconsortium/pyam
 
 .. |pytest| image:: https://img.shields.io/github/actions/workflow/status/iamconsortium/pyam/pytest.yml?logo=GitHub&label=pytest