diff --git a/TODO.md b/TODO.md
index 32016d36..8ec3daca 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,5 +1,7 @@
 # TODO
 
+- Encrypted rooms don't show invites in member list after Mirage restart
+- Room display name not updated when someone removes theirs
 - Fix right margin of own `<image url>\n<image url>` messages
 
 - filter > enter > room list is always scrolled to top
diff --git a/src/backend/qml_bridge.py b/src/backend/qml_bridge.py
index d534a06f..848bf728 100644
--- a/src/backend/qml_bridge.py
+++ b/src/backend/qml_bridge.py
@@ -21,7 +21,7 @@ import traceback
 from concurrent.futures import Future
 from operator import attrgetter
 from threading import Thread
-from typing import Coroutine, Sequence
+from typing import Coroutine, Dict, Sequence
 
 import pyotherside
 
@@ -52,6 +52,8 @@ class QMLBridge:
         from .backend import Backend
         self.backend: Backend = Backend()
 
+        self._running_futures: Dict[str, Future] = {}
+
         Thread(target=self._start_asyncio_loop).start()
 
 
@@ -73,7 +75,7 @@ class QMLBridge:
         self._loop.run_forever()
 
 
-    def _call_coro(self, coro: Coroutine, uuid: str) -> Future:
+    def _call_coro(self, coro: Coroutine, uuid: str) -> None:
         """Schedule a coroutine to run in our thread and return a `Future`."""
 
         def on_done(future: Future) -> None:
@@ -87,27 +89,37 @@ class QMLBridge:
                 trace     = traceback.format_exc().rstrip()
 
             CoroutineDone(uuid, result, exception, trace)
+            del self._running_futures[uuid]
 
         future = asyncio.run_coroutine_threadsafe(coro, self._loop)
+        self._running_futures[uuid] = future
         future.add_done_callback(on_done)
-        return future
 
 
     def call_backend_coro(
         self, name: str, uuid: str, args: Sequence[str] = (),
-    ) -> Future:
-        """Schedule a `Backend` coroutine and return a `Future`."""
+    ) -> None:
+        """Schedule a coroutine from the `QMLBridge.backend` object."""
 
-        return self._call_coro(attrgetter(name)(self.backend)(*args), uuid)
+        self._call_coro(attrgetter(name)(self.backend)(*args), uuid)
 
 
     def call_client_coro(
         self, user_id: str, name: str, uuid: str, args: Sequence[str] = (),
-    ) -> Future:
-        """Schedule a `MatrixClient` coroutine and return a `Future`."""
+    ) -> None:
+        """Schedule a coroutine from a `QMLBridge.backend.clients` client."""
 
         client = self.backend.clients[user_id]
-        return self._call_coro(attrgetter(name)(client)(*args), uuid)
+        self._call_coro(attrgetter(name)(client)(*args), uuid)
+
+
+    def cancel_coro(self, uuid: str) -> None:
+        """Cancel a couroutine scheduled by the `QMLBridge` methods."""
+
+        try:
+            self._running_futures[uuid].cancel()
+        except KeyError:
+            log.warning("Couldn't cancel coroutine %s, future not found", uuid)
 
 
     def pdb(self, additional_data: Sequence = ()) -> None:
diff --git a/src/gui/Base/HMxcImage.qml b/src/gui/Base/HMxcImage.qml
index 4ddf3f86..073d0901 100644
--- a/src/gui/Base/HMxcImage.qml
+++ b/src/gui/Base/HMxcImage.qml
@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
 import QtQuick 2.12
-import "../PythonBridge"
 
 HImage {
     id: image
@@ -18,7 +17,7 @@ HImage {
     property bool canUpdate: true
     property bool show: ! canUpdate
 
-    property Future getFuture: null
+    property string getFutureId: ""
 
     readonly property bool isMxc: mxc.startsWith("mxc://")
 
@@ -45,10 +44,11 @@ HImage {
             [clientUserId, image.mxc, image.title, w, h, cryptDict] :
             [clientUserId, image.mxc, image.title, cryptDict]
 
-        getFuture = py.callCoro("media_cache." + method, args, path => {
+        getFutureId = py.callCoro("media_cache." + method, args, path => {
                 if (! image) return
                 if (image.cachedPath !== path) image.cachedPath = path
 
+                getFutureId  = ""
                 image.broken = Qt.binding(() => image.status === Image.Error)
                 image.show   = image.visible
 
@@ -68,5 +68,5 @@ HImage {
     onHeightChanged: Qt.callLater(reload)
     onVisibleChanged: Qt.callLater(reload)
     onMxcChanged: Qt.callLater(reload)
-    Component.onDestruction: if (getFuture) getFuture.cancel()
+    Component.onDestruction: if (getFutureId) py.cancelCoro(getFutureId)
 }
diff --git a/src/gui/Dialogs/ImportKeys.qml b/src/gui/Dialogs/ImportKeys.qml
index 5a086a31..95cbfb0e 100644
--- a/src/gui/Dialogs/ImportKeys.qml
+++ b/src/gui/Dialogs/ImportKeys.qml
@@ -5,11 +5,10 @@ import QtQuick 2.12
 import QtQuick.Controls 2.12
 import Qt.labs.platform 1.1
 import "../Popups"
-import "../PythonBridge"
 
 HFileDialogOpener {
     property string userId: ""
-    property Future importFuture: null
+    property string importFutureId: ""
 
 
     fill: false
@@ -28,13 +27,13 @@ HFileDialogOpener {
             const call = py.callClientCoro
             const path = file.toString().replace(/^file:\/\//, "")
 
-            importFuture = call(userId, "import_keys", [path, pass], () => {
-                importFuture = null
+            importFutureId = call(userId, "import_keys", [path, pass], () => {
+                importFutureId = ""
                 callback(true)
 
             }, (type, args, error, traceback, uuid) => {
-                let unknown  = false
-                importFuture = null
+                let unknown    = false
+                importFutureId = ""
 
                 callback(
                     type === "EncryptionError" ?
@@ -63,17 +62,17 @@ HFileDialogOpener {
         }
 
         summary.text:
-            importFuture ?
+            importFutureId ?
             qsTr("This might take a while...") :
             qsTr("Passphrase used to protect this file:")
         validateButton.text: qsTr("Import")
         validateButton.icon.name: "import-keys"
 
-        onClosed: if (importFuture) importFuture.cancel()
+        onClosed: if (importFutureId) py.cancelCoro(importFutureId)
 
         Binding on closePolicy {
             value: Popup.CloseOnEscape
-            when: importFuture
+            when: importFutureId
         }
     }
 }
diff --git a/src/gui/MainPane/RoomDelegate.qml b/src/gui/MainPane/RoomDelegate.qml
index e1b46314..ee9245d7 100644
--- a/src/gui/MainPane/RoomDelegate.qml
+++ b/src/gui/MainPane/RoomDelegate.qml
@@ -7,13 +7,12 @@ import Clipboard 0.1
 import ".."
 import "../Base"
 import "../Base/HTile"
-import "../PythonBridge"
 
 HTile {
     id: room
 
-    property Future fetchProfilesFuture: null
-    property Future loadEventsFuture: null
+    property string fetchProfilesFutureId: ""
+    property string loadEventsFutureId: ""
     property bool moreToLoad: true
 
     readonly property bool joined: ! invited && ! parted
@@ -204,8 +203,8 @@ HTile {
     }
 
     Component.onDestruction: {
-        if (fetchProfilesFuture) fetchProfilesFuture.cancel()
-        if (loadEventsFuture) loadEventsFuture.cancel()
+        if (fetchProfilesFutureId) py.cancelCoro(fetchProfilesFutureId)
+        if (loadEventsFutureId) py.cancelCoro(loadEventsFutureId)
     }
 
     Timer {
@@ -217,15 +216,15 @@ HTile {
             ! lastEvent &&
             moreToLoad
 
-        onTriggered: if (! loadEventsFuture) {
-            loadEventsFuture = py.callClientCoro(
+        onTriggered: if (! loadEventsFutureId) {
+            loadEventsFutureId = py.callClientCoro(
                 model.for_account,
                 "load_past_events",
                 [model.id],
                 more => {
                     if (! room) return  // delegate was destroyed
-                    loadEventsFuture = null
-                    moreToLoad       = more
+                    loadEventsFutureId = ""
+                    moreToLoad         = more
                 }
             )
         }
@@ -242,13 +241,13 @@ HTile {
             lastEvent.fetch_profile
 
         onTriggered: {
-            if (fetchProfilesFuture) fetchProfilesFuture.cancel()
+            if (fetchProfilesFutureId) py.cancelCoro(fetchProfilesFutureId)
 
-            fetchProfilesFuture = py.callClientCoro(
+            fetchProfilesFutureId = py.callClientCoro(
                 model.for_account,
                 "get_event_profiles",
                 [model.id, lastEvent.id],
-                () => { if (room) fetchProfilesFuture = null },
+                () => { if (room) fetchProfilesFutureId = "" },
             )
         }
     }
diff --git a/src/gui/Pages/AccountSettings/Sessions.qml b/src/gui/Pages/AccountSettings/Sessions.qml
index 858b7ee1..7b32b792 100644
--- a/src/gui/Pages/AccountSettings/Sessions.qml
+++ b/src/gui/Pages/AccountSettings/Sessions.qml
@@ -7,7 +7,6 @@ import QtQuick.Layouts 1.12
 import "../.."
 import "../../Base"
 import "../../Base/Buttons"
-import "../../PythonBridge"
 import "../../ShortcutBundles"
 
 HColumnPage {
@@ -18,19 +17,19 @@ HColumnPage {
     property bool enableFlickShortcuts:
         SwipeView ? SwipeView.isCurrentItem : true
 
-    property Future loadFuture: null
+    property string loadFutureId: ""
 
     function takeFocus() {} // TODO
 
     function loadDevices() {
-        loadFuture = py.callClientCoro(userId, "devices_info", [], devices => {
+        loadFutureId = py.callClientCoro(userId, "devices_info",[],devices => {
             deviceList.uncheckAll()
             deviceList.model.clear()
 
             for (const device of devices)
                 deviceList.model.append(device)
 
-            loadFuture                   = null
+            loadFutureId                 = ""
             deviceList.sectionItemCounts = getSectionItemCounts()
 
             if (page.enabled && ! deviceList.currentItem)
@@ -187,7 +186,7 @@ HColumnPage {
             height: width
 
             source: "../../Base/HBusyIndicator.qml"
-            active: page.loadFuture
+            active: page.loadFutureId
             opacity: active ? 1 : 0
 
             Behavior on opacity { HNumberAnimation { factor: 2 } }
diff --git a/src/gui/Pages/AddAccount/ServerBrowser.qml b/src/gui/Pages/AddAccount/ServerBrowser.qml
index f2b3854a..bda55e2a 100644
--- a/src/gui/Pages/AddAccount/ServerBrowser.qml
+++ b/src/gui/Pages/AddAccount/ServerBrowser.qml
@@ -21,26 +21,26 @@ HBox {
     property var saveProperties: ["acceptedUserUrl", "knownHttps"]
     property string loadingIconStep: "server-ping-bad"
 
-    property Future connectFuture: null
-    property Future fetchServersFuture: null
+    property string connectFutureId: ""
+    property string fetchServersFutureId: ""
 
     signal accepted()
 
     function takeFocus() { serverField.item.field.forceActiveFocus() }
 
     function fetchServers() {
-        if (fetchServersFuture) fetchServersFuture.cancel()
+        if (fetchServersFutureId) py.cancelCoro(fetchServersFutureId)
 
-        fetchServersFuture = py.callCoro("fetch_homeservers", [], () => {
-            fetchServersFuture = null
+        fetchServersFutureId = py.callCoro("fetch_homeservers", [], () => {
+            fetchServersFutureId = ""
         }, (type, args, error, traceback) => {
-            fetchServersFuture = null
+            fetchServersFutureId = ""
             print( traceback)  // TODO: display error graphically
         })
     }
 
     function connect() {
-        if (connectFuture) connectFuture.cancel()
+        if (connectFutureId) py.cancelCoro(connectFutureId)
         connectTimeout.restart()
 
         const typedUrl = serverField.item.field.cleanText
@@ -49,10 +49,10 @@ HBox {
         if (box.knownHttps)
             args[0] = args[0].replace(/^(https?:\/\/)?/, "https://")
 
-        connectFuture = py.callCoro("server_info", args, ([url, flows]) => {
+        connectFutureId = py.callCoro("server_info", args, ([url, flows]) => {
             connectTimeout.stop()
             serverField.errorLabel.text = ""
-            connectFuture               = null
+            connectFutureId             = ""
 
             if (! (
                 flows.includes("m.login.password") ||
@@ -75,7 +75,7 @@ HBox {
             console.error(traceback)
 
             connectTimeout.stop()
-            connectFuture = null
+            connectFutureId = ""
 
             let text = qsTr("Unexpected error: %1 [%2]").arg(type).arg(args)
 
@@ -194,7 +194,7 @@ HBox {
                 enabled: field.cleanText && ! field.error
                 icon.name: "server-connect-to-address"
                 icon.color: theme.colors.positiveBackground
-                loading: box.connectFuture !== null
+                loading: box.connectFutureId !== ""
                 disableWhileLoading: false
                 onClicked: box.connect()
 
@@ -209,7 +209,7 @@ HBox {
     onAccepted: window.saveState(this)
 
     Component.onDestruction:
-        if (fetchServersFuture) fetchServersFuture.cancel()
+        if (fetchServersFutureId) py.cancelCoro(fetchServersFutureId)
 
     Timer {
         id: connectTimeout
@@ -230,7 +230,7 @@ HBox {
     Timer {
         interval: 1000
         running:
-            fetchServersFuture === null &&
+            fetchServersFutureId === "" &&
             ModelStore.get("homeservers").count === 0
 
         repeat: true
@@ -292,7 +292,7 @@ HBox {
             height: width
 
             source: "../../Base/HBusyIndicator.qml"
-            active: box.fetchServersFuture && ! serverList.count
+            active: box.fetchServersFutureId && ! serverList.count
             opacity: active ? 1 : 0
 
             Behavior on opacity { HNumberAnimation { factor: 2 } }
diff --git a/src/gui/Pages/AddAccount/SignInBase.qml b/src/gui/Pages/AddAccount/SignInBase.qml
index 5f47ac8f..f8545d8a 100644
--- a/src/gui/Pages/AddAccount/SignInBase.qml
+++ b/src/gui/Pages/AddAccount/SignInBase.qml
@@ -14,7 +14,7 @@ HFlickableColumnPage {
     property string serverUrl
     property string displayUrl: serverUrl
 
-    property var loginFuture: null
+    property string loginFutureId: null
 
     readonly property int security:
         serverUrl.startsWith("https://") ?
@@ -35,8 +35,8 @@ HFlickableColumnPage {
     signal exitRequested()
 
     function finishSignIn(receivedUserId) {
-        errorMessage.text = ""
-        page.loginFuture  = null
+        errorMessage.text  = ""
+        page.loginFutureId = ""
 
         py.callCoro(
             rememberAccount.checked ?
@@ -53,13 +53,13 @@ HFlickableColumnPage {
     }
 
     function cancel() {
-        if (! page.loginFuture) {
+        if (! page.loginFutureId) {
             page.exitRequested()
             return
         }
 
-        page.loginFuture.cancel()
-        page.loginFuture = null
+        py.cancelCoro(page.loginFutureId)
+        page.loginFutureId = ""
     }
 
 
@@ -72,7 +72,7 @@ HFlickableColumnPage {
 
             text: qsTr("Sign in")
             icon.name: "sign-in"
-            loading: page.loginFuture !== null
+            loading: page.loginFutureId !== ""
             disableWhileLoading: false
         }
 
@@ -83,7 +83,7 @@ HFlickableColumnPage {
 
     onKeyboardAccept: if (applyButton.enabled) applyButton.clicked()
     onKeyboardCancel: page.cancel()
-    Component.onDestruction: if (loginFuture) loginFuture.cancel()
+    Component.onDestruction: if (loginFutureId) py.cancelCoro(loginFutureId)
 
     HButton {
         icon.name: "sign-in-" + (
diff --git a/src/gui/Pages/AddAccount/SignInPassword.qml b/src/gui/Pages/AddAccount/SignInPassword.qml
index fbe3cc4c..00d89272 100644
--- a/src/gui/Pages/AddAccount/SignInPassword.qml
+++ b/src/gui/Pages/AddAccount/SignInPassword.qml
@@ -12,17 +12,17 @@ SignInBase {
     function takeFocus() { idField.item.forceActiveFocus() }
 
     function signIn() {
-        if (page.loginFuture) page.loginFuture.cancel()
+        if (page.loginFutureId) page.loginFutureId = ""
 
         errorMessage.text = ""
 
-        page.loginFuture = py.callCoro(
+        page.loginFutureId = py.callCoro(
             "password_auth",
             [idField.item.text.trim(), passField.item.text, page.serverUrl],
             page.finishSignIn,
 
             (type, args, error, traceback, uuid) => {
-                page.loginFuture = null
+                page.loginFutureId = ""
 
                 let txt = qsTr(
                     "Invalid request, login type or unknown error: %1",
diff --git a/src/gui/Pages/AddAccount/SignInSso.qml b/src/gui/Pages/AddAccount/SignInSso.qml
index 8b0c1e94..4606f69c 100644
--- a/src/gui/Pages/AddAccount/SignInSso.qml
+++ b/src/gui/Pages/AddAccount/SignInSso.qml
@@ -14,23 +14,23 @@ SignInBase {
     function startSignIn() {
         errorMessage.text = ""
 
-        page.loginFuture = py.callCoro("start_sso_auth", [serverUrl], url => {
+        page.loginFutureId = py.callCoro("start_sso_auth",[serverUrl], url => {
             urlArea.text           = url
             urlArea.cursorPosition = 0
 
             Qt.openUrlExternally(url)
 
-            page.loginFuture = py.callCoro("continue_sso_auth", [], userId => {
-                page.loginFuture = null
+            page.loginFutureId = py.callCoro("continue_sso_auth",[],userId => {
+                page.loginFutureId = ""
                 page.finishSignIn(userId)
             })
         })
     }
 
     function cancel() {
-        if (loginFuture) {
-            page.loginFuture.cancel()
-            page.loginFuture = null
+        if (loginFutureId) {
+            py.cancelCoro(page.loginFutureId)
+            page.loginFutureId = ""
         }
 
         page.exitRequested()
diff --git a/src/gui/Pages/Chat/ChatPage.qml b/src/gui/Pages/Chat/ChatPage.qml
index f88abbce..cb1f77d8 100644
--- a/src/gui/Pages/Chat/ChatPage.qml
+++ b/src/gui/Pages/Chat/ChatPage.qml
@@ -13,7 +13,7 @@ import "Timeline"
 HColumnPage {
     id: chatPage
 
-    property var loadMembersFuture: null
+    property string loadMembersFutureId: ""
 
     readonly property alias roomHeader: roomHeader
     readonly property alias eventList: eventList
@@ -29,16 +29,17 @@ HColumnPage {
     padding: 0
     column.spacing: 0
 
-    Component.onDestruction: if (loadMembersFuture) loadMembersFuture.cancel()
+    Component.onDestruction:
+        if (loadMembersFutureId) py.cancelCoro(loadMembersFutureId)
 
     Timer {
         interval: 200
         running: ! chat.roomInfo.inviter_id && ! chat.roomInfo.left
-        onTriggered: loadMembersFuture = py.callClientCoro(
+        onTriggered: loadMembersFutureId = py.callClientCoro(
             chat.userId,
             "load_all_room_members",
             [chat.roomId],
-            () => { loadMembersFuture = null },
+            () => { loadMembersFutureId = "" },
         )
     }
 
diff --git a/src/gui/Pages/Chat/RoomPane/MemberView/MemberDelegate.qml b/src/gui/Pages/Chat/RoomPane/MemberView/MemberDelegate.qml
index bb9b48c6..3ed00193 100644
--- a/src/gui/Pages/Chat/RoomPane/MemberView/MemberDelegate.qml
+++ b/src/gui/Pages/Chat/RoomPane/MemberView/MemberDelegate.qml
@@ -7,13 +7,12 @@ import "../../../.."
 import "../../../../Base"
 import "../../../../Base/HTile"
 import "../../../../Popups"
-import "../../../../PythonBridge"
 
 HTile {
     id: member
 
     property bool colorName: hovered
-    property Future getPresenceFuture: null
+    property string getPresenceFutureId: ""
 
     backgroundColor: theme.chat.roomPane.listView.member.background
     contentOpacity:
@@ -155,11 +154,15 @@ HTile {
 
     Component.onCompleted:
         if (model.presence === "offline" && model.last_active_at < new Date(1))
-            getPresenceFuture = py.callClientCoro(
-                chat.userId, "get_offline_presence", [model.id],
+            getPresenceFutureId = py.callClientCoro(
+                chat.userId,
+                "get_offline_presence",
+                [model.id],
+                () => { getPresenceFutureId = "" }
             )
 
-    Component.onDestruction: if (getPresenceFuture) getPresenceFuture.cancel()
+    Component.onDestruction:
+        if (getPresenceFutureId) py.cancelCoro(getPresenceFutureId)
 
     Behavior on contentOpacity { HNumberAnimation {} }
     Behavior on spacing { HNumberAnimation {} }
diff --git a/src/gui/Pages/Chat/RoomPane/MemberView/MemberProfile.qml b/src/gui/Pages/Chat/RoomPane/MemberView/MemberProfile.qml
index 6e0a37ad..0391ee2a 100644
--- a/src/gui/Pages/Chat/RoomPane/MemberView/MemberProfile.qml
+++ b/src/gui/Pages/Chat/RoomPane/MemberView/MemberProfile.qml
@@ -6,7 +6,6 @@ import QtQuick.Layouts 1.12
 import "../../../.."
 import "../../../../Base"
 import "../../../../Base/Buttons"
-import "../../../../PythonBridge"
 
 HListView {
     id: root
@@ -21,8 +20,8 @@ HListView {
 
     property bool powerLevelFieldFocused: false
 
-    property Future setPowerFuture: null
-    property Future getPresenceFuture: null
+    property string setPowerFutureId: ""
+    property string getPresenceFutureId: ""
 
     function loadDevices() {
          py.callClientCoro(userId, "member_devices", [member.id], devices => {
@@ -246,14 +245,14 @@ HListView {
             ApplyButton {
                 id: applyButton
                 enabled: ! powerLevel.item.fieldOverMaximum
-                loading: setPowerFuture !== null
+                loading: setPowerFutureId !== ""
                 text: ""
                 onClicked: {
-                    setPowerFuture = py.callClientCoro(
+                    setPowerFutureId = py.callClientCoro(
                         userId,
                         "room_set_member_power",
                         [roomId, member.id, powerLevel.item.level],
-                        () => { setPowerFuture = null }
+                        () => { setPowerFutureId = "" }
                     )
                 }
 
@@ -264,8 +263,8 @@ HListView {
             CancelButton {
                 text: ""
                 onClicked: {
-                    setPowerFuture.cancel()
-                    setPowerFuture = null
+                    py.cancelCoro(setPowerFutureId)
+                    setPowerFutureId = ""
                     powerLevel.item.reset()
                 }
 
@@ -289,14 +288,18 @@ HListView {
         if (member.presence === "offline" &&
             member.last_active_at < new Date(1))
         {
-            getPresenceFuture =
-                py.callClientCoro(userId, "get_offline_presence", [member.id])
+            getPresenceFutureId = py.callClientCoro(
+                userId,
+                "get_offline_presence",
+                [member.id],
+                () => { getPresenceFutureId = "" }
+            )
         }
     }
 
     Component.onDestruction: {
-        if (setPowerFuture) setPowerFuture.cancel()
-        if (getPresenceFuture) getPresenceFuture.cancel()
+        if (setPowerFutureId) py.cancelCoro(setPowerFutureId)
+        if (getPresenceFutureId) py.cancelCoro(getPresenceFutureId)
     }
 
     Keys.onEnterPressed: Keys.onReturnPressed(event)
diff --git a/src/gui/Pages/Chat/RoomPane/SettingsView.qml b/src/gui/Pages/Chat/RoomPane/SettingsView.qml
index 1e064c6e..93e9b137 100644
--- a/src/gui/Pages/Chat/RoomPane/SettingsView.qml
+++ b/src/gui/Pages/Chat/RoomPane/SettingsView.qml
@@ -10,7 +10,7 @@ import "../../../Base/Buttons"
 HFlickableColumnPage {
     id: settingsView
 
-    property var saveFuture: null
+    property string saveFutureId: ""
 
     readonly property bool anyChange:
         nameField.item.changed || topicArea.item.area.changed ||
@@ -20,7 +20,7 @@ HFlickableColumnPage {
     readonly property Item keybindFocusItem: nameField.item
 
     function save() {
-        if (saveFuture) saveFuture.cancel()
+        if (saveFutureId) py.cancelCoro(saveFutureId)
 
         const args = [
             chat.roomId,
@@ -35,17 +35,17 @@ HFlickableColumnPage {
             forbidGuestsCheckBox.checked : undefined,
         ]
 
-        function onDone() { saveFuture = null }
+        function onDone() { saveFutureId = "" }
 
-        saveFuture = py.callClientCoro(
+        saveFutureId = py.callClientCoro(
             chat.userId, "room_set", args, onDone, onDone,
         )
     }
 
     function cancel() {
-        if (saveFuture) {
-            saveFuture.cancel()
-            saveFuture = null
+        if (saveFutureId) {
+            py.cancelCoro(saveFutureId)
+            saveFutureId = ""
         }
 
         nameField.item.reset()
@@ -66,14 +66,14 @@ HFlickableColumnPage {
         ApplyButton {
             id: applyButton
             enabled: anyChange
-            loading: saveFuture !== null
+            loading: saveFutureId !== ""
             disableWhileLoading: false
             onClicked: save()
 
         }
 
         CancelButton {
-            enabled: anyChange || saveFuture !== null
+            enabled: anyChange || saveFutureId !== ""
             onClicked: cancel()
         }
     }
diff --git a/src/gui/Pages/Chat/Timeline/EventDelegate.qml b/src/gui/Pages/Chat/Timeline/EventDelegate.qml
index c91c19f4..a5244eb9 100644
--- a/src/gui/Pages/Chat/Timeline/EventDelegate.qml
+++ b/src/gui/Pages/Chat/Timeline/EventDelegate.qml
@@ -6,12 +6,11 @@ import QtQuick.Layouts 1.12
 import Clipboard 0.1
 import "../../.."
 import "../../../Base"
-import "../../../PythonBridge"
 
 HColumnLayout {
     id: eventDelegate
 
-    property var fetchProfilesFuture: null
+    property string fetchProfilesFutureId: ""
 
     // Remember timeline goes from newest message at index 0 to oldest
     readonly property var previousModel: eventList.model.get(model.index + 1)
@@ -72,16 +71,16 @@ HColumnLayout {
     onCursorShapeChanged: eventList.cursorShape = cursorShape
 
     Component.onCompleted: if (model.fetch_profile)
-        fetchProfilesFuture = py.callClientCoro(
+        fetchProfilesFutureId = py.callClientCoro(
             chat.userId,
             "get_event_profiles",
             [chat.roomId, model.id],
             // The if avoids segfault if eventDelegate is already destroyed
-            () => { if (eventDelegate) fetchProfilesFuture = null }
+            () => { if (eventDelegate) fetchProfilesFutureId = "" }
         )
 
     Component.onDestruction:
-        if (fetchProfilesFuture) fetchProfilesFuture.cancel()
+        if (fetchProfilesFutureId) py.cancelCoro(fetchProfilesFutureId)
 
     ListView.onRemove: eventList.uncheck(model.id)
 
diff --git a/src/gui/Pages/Chat/Timeline/EventList.qml b/src/gui/Pages/Chat/Timeline/EventList.qml
index 170f9b91..4e7cfc1f 100644
--- a/src/gui/Pages/Chat/Timeline/EventList.qml
+++ b/src/gui/Pages/Chat/Timeline/EventList.qml
@@ -218,8 +218,8 @@ Rectangle {
     HListView {
         id: eventList
 
-        property Future updateMarkerFuture: null
-        property Future loadPastEventsFuture: null
+        property string updateMarkerFutureId: ""
+        property string loadPastEventsFutureId: ""
         property bool moreToLoad: true
 
         property bool ownEventsOnLeft:
@@ -355,13 +355,13 @@ Rectangle {
         }
 
         function loadPastEvents() {
-            loadPastEventsFuture = py.callClientCoro(
+            loadPastEventsFutureId = py.callClientCoro(
                 chat.userId,
                 "load_past_events",
                 [chat.roomId],
                 more => {
-                    moreToLoad           = more
-                    loadPastEventsFuture = null
+                    moreToLoad             = more
+                    loadPastEventsFutureId = ""
                 }
             )
         }
@@ -519,7 +519,7 @@ Rectangle {
         footer: Item {
             width: eventList.width
             height: (button.height + theme.spacing * 2) * opacity
-            opacity: eventList.loadPastEventsFuture ? 1 : 0
+            opacity: eventList.loadPastEventsFutureId ? 1 : 0
             visible: opacity > 0
 
             Behavior on opacity { HNumberAnimation {} }
@@ -554,14 +554,14 @@ Rectangle {
             interval: 200
             running:
                 eventList.shouldLoadPastEvents &&
-                ! eventList.loadPastEventsFuture
+                ! eventList.loadPastEventsFutureId
             triggeredOnStart: true
             onTriggered: eventList.loadPastEvents()
 
         }
 
         Component.onDestruction: {
-            if (loadPastEventsFuture) loadPastEventsFuture.cancel()
+            if (loadPastEventsFutureId) py.cancelCoro(loadPastEventsFutureId)
         }
 
         MouseArea {
@@ -585,7 +585,7 @@ Rectangle {
         interval: Math.max(100, window.settings.markRoomReadMsecDelay)
 
         running:
-            ! eventList.updateMarkerFuture &&
+            ! eventList.updateMarkerFutureId &&
             (
                 chat.roomInfo.unreads ||
                 chat.roomInfo.highlights ||
@@ -600,11 +600,11 @@ Rectangle {
                 const item = eventList.model.get(i)
 
                 if (item.sender !== chat.userId) {
-                    eventList.updateMarkerFuture = py.callCoro(
+                    eventList.updateMarkerFutureId = py.callCoro(
                         "update_room_read_marker",
                         [chat.roomId, item.event_id],
-                        () => { eventList.updateMarkerFuture = null },
-                        () => { eventList.updateMarkerFuture = null },
+                        () => { eventList.updateMarkerFutureId = "" },
+                        () => { eventList.updateMarkerFutureId = "" },
                     )
                     return
                 }
diff --git a/src/gui/Popups/DeleteDevicesPopup.qml b/src/gui/Popups/DeleteDevicesPopup.qml
index eacf8b86..01bf2670 100644
--- a/src/gui/Popups/DeleteDevicesPopup.qml
+++ b/src/gui/Popups/DeleteDevicesPopup.qml
@@ -4,7 +4,6 @@
 import QtQuick 2.12
 import "../Base"
 import "../Base/Buttons"
-import "../PythonBridge"
 
 PasswordPopup {
     id: popup
@@ -13,15 +12,15 @@ PasswordPopup {
     property var deviceIds  // array
     property var deletedCallback: null
 
-    property Future deleteFuture: null
+    property string deleteFutureId: ""
 
     function verifyPassword(pass, callback) {
-        deleteFuture = py.callClientCoro(
+        deleteFutureId = py.callClientCoro(
             userId,
             "delete_devices_with_password",
             [deviceIds, pass],
             () => {
-                deleteFuture = null
+                deleteFutureId = ""
                 callback(true)
             },
             (type, args) => {
@@ -47,9 +46,9 @@ PasswordPopup {
     validateButton.icon.name: "sign-out"
 
     onClosed: {
-        if (deleteFuture) deleteFuture.cancel()
+        if (deleteFutureId) py.cancelCoro(deleteFutureId)
 
-        if (deleteFuture || acceptedPassword && deletedCallback)
+        if (deleteFutureId || acceptedPassword && deletedCallback)
             deletedCallback()
     }
 }
diff --git a/src/gui/Popups/InviteToRoomPopup.qml b/src/gui/Popups/InviteToRoomPopup.qml
index c81d6917..450ac63a 100644
--- a/src/gui/Popups/InviteToRoomPopup.qml
+++ b/src/gui/Popups/InviteToRoomPopup.qml
@@ -15,7 +15,7 @@ HColumnPopup {
     property string roomName
     property bool invitingAllowed: true
 
-    property var inviteFuture: null
+    property string inviteFutureId: ""
     property var successfulInvites: []
     property var failedInvites: []
 
@@ -26,12 +26,14 @@ HColumnPopup {
             user => ! successfulInvites.includes(user)
         )
 
-        inviteFuture = py.callClientCoro(
+        inviteFutureId = py.callClientCoro(
             userId,
             "room_mass_invite",
             [roomId, ...inviteesLeft],
 
             ([successes, errors]) => {
+                inviteFutureId = ""
+
                 if (errors.length < 1) {
                     popup.close()
                     return
@@ -61,10 +63,10 @@ HColumnPopup {
     }
 
     onOpened: inviteArea.forceActiveFocus()
-    onClosed: if (inviteFuture) inviteFuture.cancel()
+    onClosed: if (inviteFutureId) py.cancelCoro(inviteFutureId)
 
     onInvitingAllowedChanged:
-        if (! invitingAllowed && inviteFuture) inviteFuture.cancel()
+        if (! invitingAllowed && inviteFutureId) py.cancelCoro(inviteFutureId)
 
     SummaryLabel {
         text: qsTr("Invite members to <i>%1</i>").arg(roomName)
diff --git a/src/gui/PythonBridge/Future.qml b/src/gui/PythonBridge/Future.qml
deleted file mode 100644
index 0cc8d797..00000000
--- a/src/gui/PythonBridge/Future.qml
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright Mirage authors & contributors <https://github.com/mirukana/mirage>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-import QtQuick 2.12
-
-QtObject {
-    id: future
-
-    property PythonBridge bridge
-
-    readonly property QtObject privates: QtObject {
-        property var pythonFuture: null
-        property bool cancelPending: false
-
-        onPythonFutureChanged: if (cancelPending) future.cancel()
-    }
-
-    function cancel() {
-        if (! privates.pythonFuture) {
-            privates.cancelPending = true
-            return
-        }
-
-        bridge.call(bridge.getattr(privates.pythonFuture, "cancel"))
-    }
-}
diff --git a/src/gui/PythonBridge/PythonBridge.qml b/src/gui/PythonBridge/PythonBridge.qml
index 426dc596..029fe8a3 100644
--- a/src/gui/PythonBridge/PythonBridge.qml
+++ b/src/gui/PythonBridge/PythonBridge.qml
@@ -11,48 +11,39 @@ Python {
 
     readonly property var pendingCoroutines: Globals.pendingCoroutines
 
-    function makeFuture(callback) {
-        return Qt.createComponent("Future.qml").createObject(py, {bridge: py})
-    }
-
     function setattr(obj, attr, value, callback=null) {
         py.call(py.getattr(obj, "__setattr__"), [attr, value], callback)
     }
 
     function callCoro(name, args=[], onSuccess=null, onError=null) {
-        const uuid   = name + "." + CppUtils.uuid()
-        const future = makeFuture()
+        const uuid = name + "." + CppUtils.uuid()
 
-        Globals.pendingCoroutines[uuid] = {future, onSuccess, onError}
+        Globals.pendingCoroutines[uuid] = {onSuccess, onError}
         Globals.pendingCoroutinesChanged()
-        // if (name  === "models.ensure_exists_from_qml") { print("r");  return}
 
-        call("BRIDGE.call_backend_coro", [name, uuid, args], pyFuture => {
-            future.privates.pythonFuture = pyFuture
-        })
-
-        return future
+        call("BRIDGE.call_backend_coro", [name, uuid, args])
+        return uuid
     }
 
     function callClientCoro(
         accountId, name, args=[], onSuccess=null, onError=null
     ) {
-        const future = makeFuture()
+        const uuid = accountId + "." + name + "." + CppUtils.uuid()
 
+        Globals.pendingCoroutines[uuid] = {onSuccess, onError}
+        Globals.pendingCoroutinesChanged()
+
+        // Ensure the client exists or wait for it to exist
         callCoro("get_client", [accountId, [name, args]], () => {
-            const uuid = accountId + "." + name + "." + CppUtils.uuid()
-
-            Globals.pendingCoroutines[uuid] = {onSuccess, onError}
-            Globals.pendingCoroutinesChanged()
-
-            const call_args = [accountId, name, uuid, args]
-
-            call("BRIDGE.call_client_coro", call_args, pyFuture => {
-                future.privates.pythonFuture = pyFuture
-            })
+            // Now that we're sure it won't error, run that client's function
+            call("BRIDGE.call_client_coro", [accountId, name, uuid, args])
         })
 
-        return future
+        return uuid
+    }
+
+    function cancelCoro(uuid) {
+        call("BRIDGE.cancel_coro", [uuid])
     }
 
     function saveConfig(backend_attribute, data, callback=null) {