diff --git a/html/changelogs/AutoChangeLog-pr-12619.yml b/html/changelogs/AutoChangeLog-pr-12619.yml
new file mode 100644
index 0000000000..86d3afd821
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-12619.yml
@@ -0,0 +1,4 @@
+author: "timothyteakettle"
+delete-after: True
+changes:
+ - rscadd: "support for custom blood colours implemented, slimes blood colour now equivalent to their body colour"