message: Steam's not supported
diff: @@ -35,6 +35,10 @@ function getBrowserVersionFromUserAgent(agent) {
  }
  export function isSupported(browsersSupported, userAgent) {
  + if (userAgent.includes('Steam')) {
  + return false;
  + }
  +
  var agent = parser(userAgent);
  // Build a map from browser version to minimum supported version
  @@ -83,5 +87,9 @@ if ($BROWSERS.length) {
  var supported = isSupported($BROWSERS, navigator.userAgent);
  if (!supported) {
  document.getElementById('browser-warning').style.display = 'block';
  + if (navigator.userAgent.includes('Steam')) {
  + document.getElementById('browser-warning').innerText +=
  + " If DIM doesn't work in the Steam browser but does work in other browsers, contact Valve.";
  + }
  }
  }
  