diff --git a/.changeset/clean-drinks-poke.md b/.changeset/clean-drinks-poke.md
new file mode 100644
index 0000000000..9c57c3ac56
--- /dev/null
+++ b/.changeset/clean-drinks-poke.md
@@ -0,0 +1,6 @@
+---
+'@backstage/plugin-notifications-backend': minor
+'@backstage/plugin-notifications': minor
+---
+
+Notifications-backend URL query parameter changed from `minimal_severity` to `minimumSeverity`.
diff --git a/.changeset/wet-plants-help.md b/.changeset/wet-plants-help.md
new file mode 100644
index 0000000000..c497c68421
--- /dev/null
+++ b/.changeset/wet-plants-help.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-notifications': patch
+---
+
+The severity icons now get their colors from the theme.