diff --git a/src/utils/hooks/useUpdateReason.tsx b/src/utils/hooks/useUpdateReason.tsx
new file mode 100644
index 0000000..195c8cf
--- /dev/null
+++ b/src/utils/hooks/useUpdateReason.tsx
@@ -0,0 +1,35 @@
+import { IN_PRODUCTION_MODE } from 'env'
+import * as React from 'react'
+
+export function useUpdateReason<P /* extends {
+  [key: string]: any
+} */>(props: P) {
+  const lastPropsRef = React.useRef<P>(props)
+  React.useEffect(() => {
+    if (IN_PRODUCTION_MODE) return
+    let output: unknown[][] = []
+    for (const key of Object.keys(props)) {
+      if (key === 'children') continue
+      const $key = key as keyof P
+      if (!(key in lastPropsRef.current)) output.push([`[Added]`, key, props[$key]])
+      if (lastPropsRef.current[$key] !== props[$key])
+        output.push([`[Updated]`, key, lastPropsRef.current[$key], props[$key]])
+    }
+
+    for (const key of Object.keys(lastPropsRef.current)) {
+      if (key === 'children') continue
+      const $key = key as keyof P
+      if (!(key in props)) output.push([`[Removed]`, key, props[$key]])
+    }
+
+    if (output.length) {
+      console.log(`Updated due to`)
+      for (const record of output) {
+        console.log(...record.map(r => (typeof r === 'function' ? '[fn]' : r)))
+      }
+      console.log(`;`)
+    }
+
+    lastPropsRef.current = props
+  })
+}