diff --git a/changelog.d/scrubbers-html4-GtS.add b/changelog.d/scrubbers-html4-GtS.add
new file mode 100644
index 000000000..7f99dbb25
--- /dev/null
+++ b/changelog.d/scrubbers-html4-GtS.add
@@ -0,0 +1 @@
+- scrubbers/default: Add more formatting elements from HTML4 / GoToSocial (acronym, bdo, big, cite, dfn, ins, kbd, q, samp, s, tt, var, wbr)
diff --git a/priv/scrubbers/default.ex b/priv/scrubbers/default.ex
index 24a76263b..a75a6465d 100644
--- a/priv/scrubbers/default.ex
+++ b/priv/scrubbers/default.ex
@@ -36,30 +36,45 @@ defmodule Pleroma.HTML.Scrubber.Default do
   Meta.allow_tag_with_these_attributes(:a, ["name", "title", "lang"])
 
   Meta.allow_tag_with_these_attributes(:abbr, ["title", "lang"])
+  Meta.allow_tag_with_these_attributes(:acronym, ["title", "lang"])
 
-  Meta.allow_tag_with_these_attributes(:b, ["lang"])
+  # sort(1)-ed list
   Meta.allow_tag_with_these_attributes(:bdi, [])
+  Meta.allow_tag_with_these_attributes(:bdo, ["dir"])
+  Meta.allow_tag_with_these_attributes(:big, ["lang"])
+  Meta.allow_tag_with_these_attributes(:b, ["lang"])
   Meta.allow_tag_with_these_attributes(:blockquote, ["lang"])
   Meta.allow_tag_with_these_attributes(:br, ["lang"])
+  Meta.allow_tag_with_these_attributes(:cite, ["lang"])
   Meta.allow_tag_with_these_attributes(:code, ["lang"])
   Meta.allow_tag_with_these_attributes(:del, ["lang"])
+  Meta.allow_tag_with_these_attributes(:dfn, ["lang"])
   Meta.allow_tag_with_these_attributes(:em, ["lang"])
   Meta.allow_tag_with_these_attributes(:hr, ["lang"])
   Meta.allow_tag_with_these_attributes(:i, ["lang"])
+  Meta.allow_tag_with_these_attributes(:ins, ["lang"])
+  Meta.allow_tag_with_these_attributes(:kbd, ["lang"])
   Meta.allow_tag_with_these_attributes(:li, ["lang"])
   Meta.allow_tag_with_these_attributes(:ol, ["lang"])
   Meta.allow_tag_with_these_attributes(:p, ["lang"])
   Meta.allow_tag_with_these_attributes(:pre, ["lang"])
+  Meta.allow_tag_with_these_attributes(:q, ["lang"])
+  Meta.allow_tag_with_these_attributes(:rb, ["lang"])
+  Meta.allow_tag_with_these_attributes(:rp, ["lang"])
+  Meta.allow_tag_with_these_attributes(:rtc, ["lang"])
+  Meta.allow_tag_with_these_attributes(:rt, ["lang"])
+  Meta.allow_tag_with_these_attributes(:ruby, ["lang"])
+  Meta.allow_tag_with_these_attributes(:samp, ["lang"])
+  Meta.allow_tag_with_these_attributes(:s, ["lang"])
+  Meta.allow_tag_with_these_attributes(:small, ["lang"])
   Meta.allow_tag_with_these_attributes(:strong, ["lang"])
   Meta.allow_tag_with_these_attributes(:sub, ["lang"])
   Meta.allow_tag_with_these_attributes(:sup, ["lang"])
-  Meta.allow_tag_with_these_attributes(:ruby, ["lang"])
-  Meta.allow_tag_with_these_attributes(:rb, ["lang"])
-  Meta.allow_tag_with_these_attributes(:rp, ["lang"])
-  Meta.allow_tag_with_these_attributes(:rt, ["lang"])
-  Meta.allow_tag_with_these_attributes(:rtc, ["lang"])
+  Meta.allow_tag_with_these_attributes(:tt, ["lang"])
   Meta.allow_tag_with_these_attributes(:u, ["lang"])
   Meta.allow_tag_with_these_attributes(:ul, ["lang"])
+  Meta.allow_tag_with_these_attributes(:var, ["lang"])
+  Meta.allow_tag_with_these_attributes(:wbr, ["lang"])
 
   Meta.allow_tag_with_this_attribute_values(:span, "class", [
     "h-card",