Release notes and dependencies for v22r2 release

ReleaseNotes/release_notes_template.md

-{% set used = [] -%}
-{% macro section(labels) -%}
-{% for mr in select_mrs(merge_requests, labels, used) %}
-- {{mr.title}}, !{{mr.iid}} (@{{mr.author.username}}) {{find_tasks(mr)}}  
-  {{mr.description|mdindent(2)}}
-{% endfor %}
-{%- endmacro %}
-
+{% set categories = [
+    'selection', 'hlt1', 'hlt2', 'Configuration',
+    'Decoding', 'Tracking', 'PV finding', 'Muon', 'Calo', 'RICH', 'Jets',
+    'PID', 'Composites', 'Filters', 'Functors',
+    'Event model', 'Persistency',
+    'MC checking', 'Monitoring', 'Luminosity',
+    'Core', 'Conditions', 'Utilities',
+    'Simulation',  'Tuples', 'Accelerators',
+    'Flavour tagging',
+    'Build',
+    ] -%}
+{% set used_mrs = [] -%}
+{% macro section(labels, used=used_mrs) -%}
+{% for mr in order_by_label(select_mrs(merge_requests, labels, used), categories) -%}
+  {% set mr_labels = categories|select("in", mr.labels)|list -%}
+- {% if mr_labels %}{{mr_labels|map('label_ref')|join(' ')}} | {% endif -%}
+  {{mr.title|sentence}}, {{mr.reference}} (@{{mr.author.username}}){% if mr.issue_refs %} [{{mr.issue_refs|join(',')}}]{% endif %}{% if 'highlight' in mr.labels %} :star:{% endif %}
+{# {{mr.description|mdindent(2)}} -#}
+{% endfor -%}
+{% endmacro -%}
 {{date}} {{project}} {{version}}
 ===
 
@@ -16,23 +28,29 @@ co18`) and stripping in 2018 simulation workflows. Builds with gcc62 on slc6 and
 
 Built relative to Lbcom v22rX, with the following changes:
 
-### New features
+### New features ~"new feature"
+
 {{ section(['new feature']) }}
 
-### Enhancements
+### Fixes ~"bug fix" ~workaround
+
+{{ section(['bug fix', 'workaround']) }}
+
+### Enhancements ~enhancement
+
 {{ section(['enhancement']) }}
 
-### Bug fixes
-{{ section(['bug fix']) }}
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
 
-### Code modernisations and cleanups
-{{ section(['cleanup', 'modernisation']) }}
+{{ section(['cleanup', 'modernisation', 'testing']) }}
 
-### Monitoring changes
-{{ section(['monitoring']) }}
+### Documentation ~Documentation
 
-### Changes to tests
-{{ section(['testing']) }}
+{# Collect documentation independently, may lead to repeated entries -#}
+{{ section(['Documentation'], used=None) }}
+{# Mark as used such documentation does not appear under Other -#}
+{% set dummy = section(['Documentation']) -%}
 
 ### Other
+
 {{ section([[]]) }}