diff --git a/.vscode/settings.json b/.vscode/settings.json
index 91a3cb534..eb6090c58 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -24,6 +24,7 @@
     "fullstats",
     "fuzzysort",
     "gamemode",
+    "haha",
     "immer",
     "JOINTINDEX",
     "JOINTWEIGHT",
diff --git a/docs/changelogs/1.15.13.md b/docs/changelogs/1.15.13.md
new file mode 100644
index 000000000..cb930846c
--- /dev/null
+++ b/docs/changelogs/1.15.13.md
@@ -0,0 +1,7 @@
+# Blitzkrieg 1.15.13
+
+I have run out of things to say here. This patch fixes like 1 thing haha.
+
+# Technical Fixes
+
+- Tank deltas are now filtered by last battle time