Added change categories

docs/source/upcoming_changes/README.rst

@@ -13,15 +13,20 @@ your user-facing changes as they should appear in the relase notes.
 Each file should be named like ``<PULL REQUEST>.<TYPE>.rst``, where
 ``<PULL REQUEST>`` is a pull request number, and ``<TYPE>`` is one of:
 
-* ``feature``: Signifying a new feature.
-
-* ``bugfix``: Signifying a bug fix.
-
-* ``doc``: Signifying a documentation improvement.
-
-* ``removal``: Signifying a deprecation or removal of public API.
-
-* ``misc``: A ticket has been closed, but it is not of interest to users.
+* ``highlight``: Adds a highlight bullet point to use as a possibly highlight
+  of the release.
+* ``np_support``: Addition of new NumPy functionality.
+* ``deprecation``: Changes existing code to emit a DeprecationWarning.
+* ``future``: Changes existing code to emit a FutureWarning.
+* ``expired``: Removal of a deprecated part of the API.
+* ``compatibility``: A change which requires users to change code and is not
+  backwards compatible. (Not to be used for removal of deprecated features.)
+* ``cuda``: Changes in the CUDA API.
+* ``new_feature``: New user facing features like ``kwargs``.
+* ``improvement``: General improvements and edge-case changes which are
+  not new features or compatibility related.
+* ``performance``: Performance changes that should not affect other behaviour.
+* ``change``: Other changes
 
 If you are unsure what pull request type to use, don't hesitate to ask in your
 PR.

towncrier.toml

@@ -3,3 +3,58 @@ package = "numba"
 
 directory = "docs/source/upcoming_changes"
 filename = "docs/source/release/{version}-notes.rst"
+
+[[tool.towncrier.type]]
+    directory = "highlight"
+    name = "Highlights"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "np_support"
+    name = "NumPy support"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "deprecation"
+    name = "Deprecations"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "future"
+    name = "Future Changes"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "expired"
+    name = "Expired deprecations"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "compatibility"
+    name = "Compatibility notes"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "cuda"
+    name = "CUDA API changes"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "new_feature"
+    name = "New Features"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "improvement"
+    name = "Improvements"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "performance"
+    name = "Performance improvements and changes"
+    showcontent = true
+
+[[tool.towncrier.type]]
+    directory = "change"
+    name = "Changes"
+    showcontent = true