diff --git a/docker/Dockerfile.user b/docker/Dockerfile.user
index 4cfbb437a..bcd067637 100644
--- a/docker/Dockerfile.user
+++ b/docker/Dockerfile.user
@@ -29,7 +29,7 @@ ENV DEBIAN_FRONTEND=noninteractive \
 
 # Install system dependencies and uv (as root)
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential git curl libglib2.0-0 libegl1-mesa ffmpeg \
+    build-essential git curl libglib2.0-0 libegl1-mesa-dev ffmpeg \
     libusb-1.0-0-dev speech-dispatcher libgeos-dev portaudio19-dev \
     && curl -LsSf https://astral.sh/uv/install.sh | sh \
     && mv /root/.local/bin/uv /usr/local/bin/uv \
diff --git a/src/lerobot/motors/dynamixel/tables.py b/src/lerobot/motors/dynamixel/tables.py
index 8b67bbf38..5417d8cee 100644
--- a/src/lerobot/motors/dynamixel/tables.py
+++ b/src/lerobot/motors/dynamixel/tables.py
@@ -107,6 +107,8 @@ X_SERIES_ENCODINGS_TABLE = {
     "Goal_PWM": X_SERIES_CONTROL_TABLE["Goal_PWM"][1],
     "Goal_Current": X_SERIES_CONTROL_TABLE["Goal_Current"][1],
     "Goal_Velocity": X_SERIES_CONTROL_TABLE["Goal_Velocity"][1],
+    "Goal_Position": X_SERIES_CONTROL_TABLE["Goal_Position"][1],
+    "Present_Position": X_SERIES_CONTROL_TABLE["Present_Position"][1],
     "Present_PWM": X_SERIES_CONTROL_TABLE["Present_PWM"][1],
     "Present_Current": X_SERIES_CONTROL_TABLE["Present_Current"][1],
     "Present_Velocity": X_SERIES_CONTROL_TABLE["Present_Velocity"][1],
diff --git a/src/lerobot/scripts/server/robot_client.py b/src/lerobot/scripts/server/robot_client.py
index 0599e068e..939d5cea8 100644
--- a/src/lerobot/scripts/server/robot_client.py
+++ b/src/lerobot/scripts/server/robot_client.py
@@ -302,11 +302,6 @@ class RobotClient:
 
                     self.logger.debug(f"Current latest action: {latest_action}")
 
-                    # Get queue state before changes
-                    old_size, old_timesteps = self._inspect_action_queue()
-                    if not old_timesteps:
-                        old_timesteps = [latest_action]  # queue was empty
-
                     # Get queue state before changes
                     old_size, old_timesteps = self._inspect_action_queue()
                     if not old_timesteps: