message: Just use MSC1957
diff: @@ -29,9 +29,6 @@ import SettingsStore from "../settings/SettingsStore";
  import ActiveWidgetStore from "../stores/ActiveWidgetStore";
  import {IntegrationManagers} from "../integrations/IntegrationManagers";
  -// We'll be using im.vector.integration_manager until MSC1957 or similar is accepted.
  -const IM_WIDGET_TYPES = ["m.integration_manager", "im.vector.integration_manager"];
  -
  /**
  * Encodes a URI according to a set of template variables. Variables will be
  * passed through encodeURIComponent.
  @@ -349,7 +346,7 @@ export default class WidgetUtils {
  */
  static getIntegrationManagerWidgets() {
  const widgets = WidgetUtils.getUserWidgetsArray();
  - return widgets.filter(w => w.content && IM_WIDGET_TYPES.includes(w.content.type));
  + return widgets.filter(w => w.content && w.content.type === "m.integration_manager");
  }
  static removeIntegrationManagerWidgets() {
  @@ -359,7 +356,7 @@ export default class WidgetUtils {
  }
  const userWidgets = client.getAccountData('m.widgets').getContent() || {};
  Object.entries(userWidgets).forEach(([key, widget]) => {
  - if (widget.content && IM_WIDGET_TYPES.includes(widget.content.type)) {
  + if (widget.content && widget.content.type === "m.integration_manager") {
  delete userWidgets[key];
  }
  });
  @@ -369,7 +366,7 @@ export default class WidgetUtils {
  static addIntegrationManagerWidget(name: string, uiUrl: string, apiUrl: string) {
  return WidgetUtils.setUserWidget(
  "integration_manager_" + (new Date().getTime()),
  - "im.vector.integration_manager", // TODO: Use m.integration_manager post-MSC1957
  + "m.integration_manager",
  uiUrl,
  "Integration Manager: " + name,
  {"api_url": apiUrl},
  