From ad57721e2ce69e9f2ccb432b4f7a0608b8d1cfec Mon Sep 17 00:00:00 2001
From: Haroon Qureshi <haroonq@google.com>
Date: Wed, 11 Mar 2026 10:06:03 -0700
Subject: [PATCH] Add missing state.

PiperOrigin-RevId: 882072832
Change-Id: I6ad75af67edc7672350c775c1a560e3db6d16969
---
 src/experimental/platform/gui.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/experimental/platform/gui.cc b/src/experimental/platform/gui.cc
index bd7b1b20..f9a4c5b8 100644
--- a/src/experimental/platform/gui.cc
+++ b/src/experimental/platform/gui.cc
@@ -534,11 +534,12 @@ void StateGui(const mjModel* model, mjData* data, std::vector<mjtNum>& state,
 
   ImGui::Unindent(0.5f * ImGui::GetTreeNodeToLabelSpacing());
   // State component names and tooltips.
-  static constexpr const char* name_and_tooltip[][2] = {
+  static constexpr const char* name_and_tooltip[mjNSTATE][2] = {
       {"TIME", "Time"},
       {"QPOS", "Position"},
       {"QVEL", "Velocity"},
       {"ACT", "Actuator activation"},
+      {"HISTORY", "History buffers (control, sensor)"},
       {"WARMSTART", "Acceleration used for warmstart"},
       {"CTRL", "Control"},
       {"QFRC_APPLIED", "Applied generalized force"},