Fix rendered changelog with new version of towncrier

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

changelogs/pyproject.toml

@@ -1,39 +1,34 @@
 [tool.towncrier]
     version = "unused"
     filename = "../rendered.md"
-    issue_format = "[#{issue}](https://github.com/matrix-org/matrix-spec/issues/{issue})"
+    template = "template.md.jinja"
-    title_format = "### {name}"  # Matches rendered spec, even if awkward
-    underlines = "   "  # 3 spaces intentionally to hide RST headings
-
-    # Note: The names below have the <strong> tag built-in so the rendered spec *and* the generated
-    # changelog can benefit from sane headings.
 
     [[tool.towncrier.type]]
         directory = "breaking"
-        name = "<strong>Breaking Changes</strong>"
+        name = "Breaking Changes"
         showcontent = true
 
     [[tool.towncrier.type]]
         directory = "deprecation"
-        name = "<strong>Deprecations</strong>"
+        name = "Deprecations"
         showcontent = true
 
     [[tool.towncrier.type]]
         directory = "new"
-        name = "<strong>New Endpoints</strong>"
+        name = "New Endpoints"
         showcontent = true
 
     [[tool.towncrier.type]]
         directory = "removal"
-        name = "<strong>Removed Endpoints</strong>"
+        name = "Removed Endpoints"
         showcontent = true
 
     [[tool.towncrier.type]]
         directory = "feature"
-        name = "<strong>Backwards Compatible Changes</strong>"
+        name = "Backwards Compatible Changes"
         showcontent = true
 
     [[tool.towncrier.type]]
         directory = "clarification"
-        name = "<strong>Spec Clarifications</strong>"
+        name = "Spec Clarifications"
         showcontent = true

changelogs/template.md.jinja

@@ -0,0 +1,27 @@
+{% if versiondata.name %}
+### {{ versiondata.name }}
+{% endif %}
+{% for section_name, section in sections.items() %}
+{% if section_name %}
+
+### {{section_name}}
+{% endif %}
+
+{% if section %}
+{% for category, val in definitions.items() if category in section %}
+**{{ definitions[category]['name'] }}**
+
+{% for content, issues in section[category].items() %}
+- {{ content }} (
+{%- for issue in issues %}
+[{{issue}}](https://github.com/matrix-org/matrix-spec/issues/{{issue|trim('#')}}){% if not loop.last %}, {% endif %}
+{%- endfor %}
+)
+{% endfor %}
+
+{% endfor %}
+{% else %}
+No significant changes.
+
+{% endif %}
+{% endfor %}

scripts/requirements.txt

@@ -6,4 +6,4 @@ jsonschema >= 4.0.0
 
 PyYAML >= 3.12
 requests >= 2.18.4
-towncrier == 21.9.0rc1
+towncrier == 23.6.0