Update changelog (#171)

Phantomical · web-flow · commit 2f8cd7178645 · 2026-05-11T14:49:46.000-04:00
This adds changelog entries for #170 and #169
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Unreleased
+- Improved performance
+  - SystemHeat resource converters now fully disable themselves when inactive.
+  - Several other optimizations to make resource converters faster.
+
 ## 0.9.0 - 2026-05-08
 
 - Fixed memory leaks from dangling event handlers.
