docs: add release-note fragment for PR llm-d#1690 (llm-d#1725)

llm-d-router-release-notes[bot] · web-flow · commit ccd30bae1458 · 2026-06-23T15:48:21.000+03:00
Signed-off-by: llm-d-router-release-notes[bot] &lt;287676111+llm-d-router-release-notes[bot]@users.noreply.github.com&gt;
Co-authored-by: llm-d-router-release-notes[bot] &lt;287676111+llm-d-router-release-notes[bot]@users.noreply.github.com&gt;
diff --git a/release-notes.d/unreleased/1690.md b/release-notes.d/unreleased/1690.md
@@ -0,0 +1,7 @@
+---
+pr: 1690
+url: https://github.com/llm-d/llm-d-router/pull/1690
+author: LukeAVanDrie
+date: 2026-06-23
+---
+flowcontrol: the priority-ordered dispatch queue is now backed by the standard library container/heap and registered as `PriorityQueue` (previously `MaxMinHeap`). Any configuration that explicitly set the queue to `MaxMinHeap` must be updated to `PriorityQueue`.
