diff --git a/docs/sphinx-static/theme_overrides.css b/docs/sphinx-static/theme_overrides.css
index 5f58f1d524..3fd326613d 100644
--- a/docs/sphinx-static/theme_overrides.css
+++ b/docs/sphinx-static/theme_overrides.css
@@ -237,3 +237,16 @@ div[class^="highlight"] pre {
 .qapi-deprecated::before {
     content: '⚠️ ';
 }
+
+.qapi-ifcond::before {
+    /* gaze ye into the crystal ball to determine feature availability */
+    content: '🔮 ';
+}
+
+.qapi-ifcond {
+    background-color: #f9f5ff;
+    border: solid #dac2ff 6px;
+    padding: 8px;
+    border-radius: 15px;
+    margin: 5px;
+}
diff --git a/docs/sphinx/qapi_domain.py b/docs/sphinx/qapi_domain.py
index 00fd11ebf7..4531b5d857 100644
--- a/docs/sphinx/qapi_domain.py
+++ b/docs/sphinx/qapi_domain.py
@@ -14,6 +14,7 @@ from typing import (
     NamedTuple,
     Optional,
     Tuple,
+    Union,
     cast,
 )
 
@@ -217,6 +218,7 @@ class QAPIObject(QAPIDescription):
             "module": directives.unchanged,  # Override contextual module name
             # These are QAPI originals:
             "since": directives.unchanged,
+            "ifcond": directives.unchanged,
             "deprecated": directives.flag,
             "unstable": directives.flag,
         }
@@ -288,9 +290,14 @@ class QAPIObject(QAPIDescription):
         infopips = nodes.container()
         infopips.attributes["classes"].append("qapi-infopips")
 
-        def _add_pip(source: str, content: str, classname: str) -> None:
+        def _add_pip(
+            source: str, content: Union[str, List[nodes.Node]], classname: str
+        ) -> None:
             node = nodes.container(source)
-            node.append(nodes.Text(content))
+            if isinstance(content, str):
+                node.append(nodes.Text(content))
+            else:
+                node.extend(content)
             node.attributes["classes"].extend(["qapi-infopip", classname])
             infopips.append(node)
 
@@ -308,6 +315,18 @@ class QAPIObject(QAPIDescription):
                 "qapi-unstable",
             )
 
+        if self.options.get("ifcond", ""):
+            ifcond = self.options["ifcond"]
+            _add_pip(
+                f":ifcond: {ifcond}",
+                [
+                    nodes.emphasis("", "Availability"),
+                    nodes.Text(": "),
+                    nodes.literal(ifcond, ifcond),
+                ],
+                "qapi-ifcond",
+            )
+
         if infopips.children:
             contentnode.insert(0, infopips)