diff --git a/desktop/app/src/Client.tsx b/desktop/app/src/Client.tsx
index 7e8c492e0..68a9108aa 100644
--- a/desktop/app/src/Client.tsx
+++ b/desktop/app/src/Client.tsx
@@ -268,8 +268,8 @@ export default class Client extends EventEmitter {
     });
   }
 
-  supportsPlugin(Plugin: ClientPluginDefinition): boolean {
-    return this.plugins.includes(Plugin.id);
+  supportsPlugin(pluginId: string): boolean {
+    return this.plugins.includes(pluginId);
   }
 
   isBackgroundPlugin(pluginId: string) {
diff --git a/desktop/app/src/dispatcher/__tests__/plugins.node.tsx b/desktop/app/src/dispatcher/__tests__/plugins.node.tsx
index ed8686d1b..04bdc3a63 100644
--- a/desktop/app/src/dispatcher/__tests__/plugins.node.tsx
+++ b/desktop/app/src/dispatcher/__tests__/plugins.node.tsx
@@ -13,7 +13,7 @@ import dispatcher, {
   getDynamicPlugins,
   checkDisabled,
   checkGK,
-  requirePlugin,
+  createRequirePluginFunction,
   filterNewestVersionOfEachPlugin,
 } from '../plugins';
 import {PluginDetails} from 'flipper-plugin-lib';
@@ -136,7 +136,7 @@ test('checkGK for failing plugin', () => {
 });
 
 test('requirePlugin returns null for invalid requires', () => {
-  const requireFn = requirePlugin([], {}, require);
+  const requireFn = createRequirePluginFunction([], require);
   const plugin = requireFn({
     ...samplePluginDetails,
     name: 'pluginID',
@@ -149,7 +149,7 @@ test('requirePlugin returns null for invalid requires', () => {
 
 test('requirePlugin loads plugin', () => {
   const name = 'pluginID';
-  const requireFn = requirePlugin([], {}, require);
+  const requireFn = createRequirePluginFunction([], require);
   const plugin = requireFn({
     ...samplePluginDetails,
     name,
@@ -236,7 +236,7 @@ test('bundled versions are used when env var FLIPPER_DISABLE_PLUGIN_AUTO_UPDATE
 
 test('requirePlugin loads valid Sandy plugin', () => {
   const name = 'pluginID';
-  const requireFn = requirePlugin([], {}, require);
+  const requireFn = createRequirePluginFunction([], require);
   const plugin = requireFn({
     ...samplePluginDetails,
     name,
@@ -270,7 +270,7 @@ test('requirePlugin loads valid Sandy plugin', () => {
 test('requirePlugin errors on invalid Sandy plugin', () => {
   const name = 'pluginID';
   const failedPlugins: any[] = [];
-  const requireFn = requirePlugin(failedPlugins, {}, require);
+  const requireFn = createRequirePluginFunction(failedPlugins, require);
   requireFn({
     ...samplePluginDetails,
     name,
@@ -286,7 +286,7 @@ test('requirePlugin errors on invalid Sandy plugin', () => {
 
 test('requirePlugin loads valid Sandy Device plugin', () => {
   const name = 'pluginID';
-  const requireFn = requirePlugin([], {}, require);
+  const requireFn = createRequirePluginFunction([], require);
   const plugin = requireFn({
     ...samplePluginDetails,
     name,
diff --git a/desktop/app/src/dispatcher/plugins.tsx b/desktop/app/src/dispatcher/plugins.tsx
index 2bd94f936..304381664 100644
--- a/desktop/app/src/dispatcher/plugins.tsx
+++ b/desktop/app/src/dispatcher/plugins.tsx
@@ -37,7 +37,9 @@ import loadDynamicPlugins from '../utils/loadDynamicPlugins';
 import Immer from 'immer';
 
 // eslint-disable-next-line import/no-unresolved
-import getPluginIndex from '../utils/getDefaultPluginsIndex';
+import getDefaultPluginsIndex from '../utils/getDefaultPluginsIndex';
+
+let defaultPluginsIndex: any = null;
 
 export default async (store: Store, logger: Logger) => {
   // expose Flipper and exact globally for dynamically loaded plugins
@@ -53,7 +55,7 @@ export default async (store: Store, logger: Logger) => {
   const disabledPlugins: Array<PluginDetails> = [];
   const failedPlugins: Array<[PluginDetails, string]> = [];
 
-  const defaultPluginsIndex = getPluginIndex();
+  defaultPluginsIndex = getDefaultPluginsIndex();
 
   const initialPlugins: PluginDefinition[] = filterNewestVersionOfEachPlugin(
     getBundledPlugins(),
@@ -62,7 +64,7 @@ export default async (store: Store, logger: Logger) => {
     .map(reportVersion)
     .filter(checkDisabled(disabledPlugins))
     .filter(checkGK(gatekeepedPlugins))
-    .map(requirePlugin(failedPlugins, defaultPluginsIndex))
+    .map(createRequirePluginFunction(failedPlugins))
     .filter(notNull);
 
   store.dispatch(addGatekeepedPlugins(gatekeepedPlugins));
@@ -173,18 +175,13 @@ export const checkDisabled = (disabledPlugins: Array<PluginDetails>) => (
   return !disabledList.has(plugin.name);
 };
 
-export const requirePlugin = (
+export const createRequirePluginFunction = (
   failedPlugins: Array<[PluginDetails, string]>,
-  defaultPluginsIndex: any,
   reqFn: Function = global.electronRequire,
 ) => {
   return (pluginDetails: PluginDetails): PluginDefinition | null => {
     try {
-      return tryCatchReportPluginFailures(
-        () => requirePluginInternal(pluginDetails, defaultPluginsIndex, reqFn),
-        'plugin:load',
-        pluginDetails.id,
-      );
+      return requirePlugin(pluginDetails, reqFn);
     } catch (e) {
       failedPlugins.push([pluginDetails, e.message]);
       console.error(`Plugin ${pluginDetails.id} failed to load`, e);
@@ -193,15 +190,24 @@ export const requirePlugin = (
   };
 };
 
+export const requirePlugin = (
+  pluginDetails: PluginDetails,
+  reqFn: Function = global.electronRequire,
+): PluginDefinition => {
+  return tryCatchReportPluginFailures(
+    () => requirePluginInternal(pluginDetails, reqFn),
+    'plugin:load',
+    pluginDetails.id,
+  );
+};
+
 const requirePluginInternal = (
   pluginDetails: PluginDetails,
-  defaultPluginsIndex: any,
   reqFn: Function = global.electronRequire,
-) => {
+): PluginDefinition => {
   let plugin = pluginDetails.isDefault
     ? defaultPluginsIndex[pluginDetails.name]
     : reqFn(pluginDetails.entry);
-
   if (pluginDetails.flipperSDKVersion) {
     // Sandy plugin
     return new SandyPluginDefinition(pluginDetails, plugin);
diff --git a/desktop/app/src/reducers/__tests__/notifications.node.tsx b/desktop/app/src/reducers/__tests__/notifications.node.tsx
index 2c100e02c..f118d6039 100644
--- a/desktop/app/src/reducers/__tests__/notifications.node.tsx
+++ b/desktop/app/src/reducers/__tests__/notifications.node.tsx
@@ -7,7 +7,7 @@
  * @format
  */
 
-import {State, addNotification} from '../notifications';
+import {State, addNotification, removeNotification} from '../notifications';
 
 import {
   default as reducer,
@@ -108,6 +108,56 @@ test('reduce setActiveNotifications', () => {
 });
 
 test('addNotification removes duplicates', () => {
+  let res = reducer(
+    getInitialState(),
+    addNotification({
+      pluginId: 'test',
+      client: null,
+      notification,
+    }),
+  );
+  res = reducer(
+    res,
+    addNotification({
+      pluginId: 'test',
+      client: null,
+      notification: {
+        ...notification,
+        id: 'otherId',
+      },
+    }),
+  );
+  res = reducer(
+    res,
+    removeNotification({
+      pluginId: 'test',
+      client: null,
+      notificationId: 'id',
+    }),
+  );
+  expect(res).toMatchInlineSnapshot(`
+    Object {
+      "activeNotifications": Array [
+        Object {
+          "client": null,
+          "notification": Object {
+            "id": "otherId",
+            "message": "message",
+            "severity": "warning",
+            "title": "title",
+          },
+          "pluginId": "test",
+        },
+      ],
+      "blacklistedCategories": Array [],
+      "blacklistedPlugins": Array [],
+      "clearedNotifications": Set {},
+      "invalidatedNotifications": Array [],
+    }
+  `);
+});
+
+test('reduce removeNotification', () => {
   let res = reducer(
     getInitialState(),
     addNotification({
diff --git a/desktop/app/src/reducers/connections.tsx b/desktop/app/src/reducers/connections.tsx
index 5baed1a24..9a6800d57 100644
--- a/desktop/app/src/reducers/connections.tsx
+++ b/desktop/app/src/reducers/connections.tsx
@@ -125,7 +125,12 @@ export type Action =
       type: 'SELECT_CLIENT';
       payload: string;
     }
-  | RegisterPluginAction;
+  | RegisterPluginAction
+  | {
+      // Implemented by rootReducer in `store.tsx`
+      type: 'UPDATE_PLUGIN';
+      payload: PluginDefinition;
+    };
 
 const DEFAULT_PLUGIN = 'DeviceLogs';
 const DEFAULT_DEVICE_BLACKLIST = [MacDevice];
@@ -341,7 +346,6 @@ export default (state: State = INITAL_STATE, action: Actions): State => {
       });
       return state;
     }
-
     default:
       return state;
   }
@@ -395,6 +399,11 @@ export const selectClient = (clientId: string): Action => ({
   payload: clientId,
 });
 
+export const registerPluginUpdate = (payload: PluginDefinition): Action => ({
+  type: 'UPDATE_PLUGIN',
+  payload,
+});
+
 export function getAvailableClients(
   device: null | undefined | BaseDevice,
   clients: Client[],
diff --git a/desktop/app/src/reducers/notifications.tsx b/desktop/app/src/reducers/notifications.tsx
index 671b14922..fa3192d52 100644
--- a/desktop/app/src/reducers/notifications.tsx
+++ b/desktop/app/src/reducers/notifications.tsx
@@ -16,6 +16,12 @@ export type PluginNotification = {
   client: null | string;
 };
 
+export type PluginNotificationReference = {
+  notificationId: string;
+  pluginId: string;
+  client: null | string;
+};
+
 export type State = {
   activeNotifications: Array<PluginNotification>;
   invalidatedNotifications: Array<PluginNotification>;
@@ -56,6 +62,10 @@ export type Action =
   | {
       type: 'ADD_NOTIFICATION';
       payload: PluginNotification;
+    }
+  | {
+      type: 'REMOVE_NOTIFICATION';
+      payload: PluginNotificationReference;
     };
 
 const INITIAL_STATE: State = {
@@ -113,6 +123,18 @@ export default function reducer(
           action.payload,
         ],
       };
+    case 'REMOVE_NOTIFICATION':
+      return {
+        ...state,
+        activeNotifications: [
+          ...state.activeNotifications.filter(
+            (notif) =>
+              notif.client !== action.payload.client ||
+              notif.pluginId !== action.payload.pluginId ||
+              notif.notification.id !== action.payload.notificationId,
+          ),
+        ],
+      };
     default:
       return state;
   }
@@ -166,6 +188,15 @@ export function addNotification(payload: PluginNotification): Action {
   };
 }
 
+export function removeNotification(
+  payload: PluginNotificationReference,
+): Action {
+  return {
+    type: 'REMOVE_NOTIFICATION',
+    payload,
+  };
+}
+
 export function addErrorNotification(
   title: string,
   message: string,
diff --git a/desktop/app/src/store.tsx b/desktop/app/src/store.tsx
index ebaae244d..63ec8a9c6 100644
--- a/desktop/app/src/store.tsx
+++ b/desktop/app/src/store.tsx
@@ -15,7 +15,11 @@ import produce from 'immer';
 import {
   defaultEnabledBackgroundPlugins,
   getPluginKey,
+  isDevicePluginDefinition,
 } from './utils/pluginUtils';
+import Client from './Client';
+import {PluginDefinition} from './plugin';
+import {deconstructPluginKey} from './utils/clientUtils';
 
 export const store: Store = createStore<StoreState, Actions, any, any>(
   rootReducer,
@@ -48,35 +52,59 @@ export function rootReducer(
         plugins.push(selectedPlugin);
         // enabling a plugin on one device enables it on all...
         clients.forEach((client) => {
-          // sandy plugin? initialize it
-          client.startPluginIfNeeded(plugin, true);
-          // background plugin? connect it needed
-          if (
-            !defaultEnabledBackgroundPlugins.includes(selectedPlugin) &&
-            client?.isBackgroundPlugin(selectedPlugin)
-          ) {
-            client.initPlugin(selectedPlugin);
-          }
+          startPlugin(client, plugin);
         });
       } else {
         plugins.splice(idx, 1);
         // enabling a plugin on one device disables it on all...
         clients.forEach((client) => {
-          // disconnect background plugins
-          if (
-            !defaultEnabledBackgroundPlugins.includes(selectedPlugin) &&
-            client?.isBackgroundPlugin(selectedPlugin)
-          ) {
-            client.deinitPlugin(selectedPlugin);
-          }
-          // stop sandy plugins
-          client.stopPluginIfNeeded(plugin.id);
-          delete draft.pluginMessageQueue[
-            getPluginKey(client.id, {serial: client.query.device_id}, plugin.id)
-          ];
+          stopPlugin(client, plugin.id);
+          const pluginKey = getPluginKey(
+            client.id,
+            {serial: client.query.device_id},
+            plugin.id,
+          );
+          delete draft.pluginMessageQueue[pluginKey];
         });
       }
     });
+  } else if (action.type === 'UPDATE_PLUGIN' && state) {
+    const plugin: PluginDefinition = action.payload;
+    const clients = state.connections.clients;
+    return produce(state, (draft) => {
+      const clientsWithEnabledPlugin = clients.filter((c) => {
+        return (
+          c.supportsPlugin(plugin.id) &&
+          state.connections.userStarredPlugins[c.query.app]?.includes(plugin.id)
+        );
+      });
+      // stop plugin for each client where it is enabled
+      clientsWithEnabledPlugin.forEach((client) => {
+        stopPlugin(client, plugin.id, true);
+        delete draft.pluginMessageQueue[
+          getPluginKey(client.id, {serial: client.query.device_id}, plugin.id)
+        ];
+      });
+      // cleanup classic plugin state
+      Object.keys(draft.pluginStates).forEach((pluginKey) => {
+        const pluginKeyParts = deconstructPluginKey(pluginKey);
+        if (pluginKeyParts.pluginName === plugin.id) {
+          delete draft.pluginStates[pluginKey];
+        }
+      });
+      // update plugin definition
+      const {devicePlugins, clientPlugins} = draft.plugins;
+      const p = action.payload;
+      if (isDevicePluginDefinition(p)) {
+        devicePlugins.set(p.id, p);
+      } else {
+        clientPlugins.set(p.id, p);
+      }
+      // start plugin for each client
+      clientsWithEnabledPlugin.forEach((client) => {
+        startPlugin(client, plugin, true);
+      });
+    });
   }
 
   // otherwise
@@ -88,3 +116,36 @@ if (!isProduction()) {
   // @ts-ignore
   window.flipperStore = store;
 }
+
+function stopPlugin(
+  client: Client,
+  pluginId: string,
+  forceInitBackgroundPlugin: boolean = false,
+): boolean {
+  if (
+    (forceInitBackgroundPlugin ||
+      !defaultEnabledBackgroundPlugins.includes(pluginId)) &&
+    client?.isBackgroundPlugin(pluginId)
+  ) {
+    client.deinitPlugin(pluginId);
+  }
+  // stop sandy plugins
+  client.stopPluginIfNeeded(pluginId);
+  return true;
+}
+
+function startPlugin(
+  client: Client,
+  plugin: PluginDefinition,
+  forceInitBackgroundPlugin: boolean = false,
+) {
+  client.startPluginIfNeeded(plugin, true);
+  // background plugin? connect it needed
+  if (
+    (forceInitBackgroundPlugin ||
+      !defaultEnabledBackgroundPlugins.includes(plugin.id)) &&
+    client?.isBackgroundPlugin(plugin.id)
+  ) {
+    client.initPlugin(plugin.id);
+  }
+}
diff --git a/desktop/plugin-lib/src/getNpmHostedPlugins.ts b/desktop/plugin-lib/src/getNpmHostedPlugins.ts
index 200403498..a986105d5 100644
--- a/desktop/plugin-lib/src/getNpmHostedPlugins.ts
+++ b/desktop/plugin-lib/src/getNpmHostedPlugins.ts
@@ -28,7 +28,7 @@ export type NpmHostedPluginsSearchArgs = {
 
 export async function getNpmHostedPlugins(
   args: NpmHostedPluginsSearchArgs = {},
-): Promise<NpmPackageDescriptor[]> {
+): Promise<readonly NpmPackageDescriptor[]> {
   const index = provideSearchIndex();
   args = Object.assign(
     {
diff --git a/desktop/plugin-lib/src/pluginInstaller.ts b/desktop/plugin-lib/src/pluginInstaller.ts
index 7f9d69fbc..bfbeea6dc 100644
--- a/desktop/plugin-lib/src/pluginInstaller.ts
+++ b/desktop/plugin-lib/src/pluginInstaller.ts
@@ -93,7 +93,7 @@ async function installPluginFromTempDir(
     }
     throw err;
   }
-  return pluginDetails;
+  return await getPluginDetails(destinationDir);
 }
 
 async function getPluginRootDir(dir: string) {