diff --git a/gnome-44-max/bin/setup b/gnome-44-max/bin/setup
index 7ee291a..3bd001b 100755
--- a/gnome-44-max/bin/setup
+++ b/gnome-44-max/bin/setup
@@ -11,6 +11,7 @@ check_command() {
 
 check_command "flatpak"
 check_command "gnome-extensions"
+check_command "glib-compile-schemas"
 
 # This script gets packaged with the release and should do the bulk of the setup work. This allows this setup to be tied
 # to a specific release of the code, and guarantees it will never run along-side newer or older binaries.
@@ -78,8 +79,10 @@ echo "Copying the manifest file to ${DATA_DIR}"
 mkdir -p $DATA_DIR
 cp manifest $DATA_DIR
 
-echo "Installing the breezydesktop@xronlinux.com GNOME extension"
-gnome-extensions install --force breezydesktop@xronlinux.com.shell-extension.zip
+EXTENSION_UUID="breezydesktop@xronlinux.com"
+echo "Installing the $EXTENSION_UUID GNOME extension"
+gnome-extensions install --force "$EXTENSION_UUID.shell-extension.zip"
+glib-compile-schemas "$GNOME_SHELL_DATA_DIR/extensions/$EXTENSION_UUID/schemas"
 
 echo "Installing the Breezy Desktop UI Flatpak (this may take a couple minutes the first time)"
 flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
diff --git a/gnome-44-max/src/cursor.js b/gnome-44-max/src/cursor.js
index 36ad7ee..41102a0 100644
--- a/gnome-44-max/src/cursor.js
+++ b/gnome-44-max/src/cursor.js
@@ -15,11 +15,11 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import Clutter from 'gi://Clutter';
-import GObject from 'gi://GObject';
+const Clutter = imports.gi.Clutter;
+const GObject = imports.gi.GObject;
 
 // Copied almost verbatim from ui/magnifier.js.
-export const MouseSpriteContent = GObject.registerClass({
+var MouseSpriteContent = GObject.registerClass({
     Implements: [Clutter.Content],
 }, class MouseSpriteContent extends GObject.Object {
     _init() {
diff --git a/gnome-44-max/src/cursormanager.js b/gnome-44-max/src/cursormanager.js
index 44b3f5f..fa65a4a 100644
--- a/gnome-44-max/src/cursormanager.js
+++ b/gnome-44-max/src/cursormanager.js
@@ -1,11 +1,15 @@
-import Clutter from 'gi://Clutter';
-import Meta from 'gi://Meta';
-import * as PointerWatcher from 'resource:///org/gnome/shell/ui/pointerWatcher.js';
-import { MouseSpriteContent } from './cursor.js';
-import Globals from './globals.js';
+const Clutter = imports.gi.Clutter;
+const Meta = imports.gi.Meta;
+const PointerWatcher = imports.ui.pointerWatcher;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const Globals = Me.imports.globals;
+const { MouseSpriteContent } = Me.imports.cursor;
 
 // Taken from https://github.com/jkitching/soft-brightness-plus
-export class CursorManager {
+var CursorManager = class CursorManager {
     constructor(mainActor, refreshRate) {
         this._mainActor = mainActor;
         this._refreshRate = refreshRate;
@@ -208,7 +212,7 @@ export class CursorManager {
 
     _queueVisibilityUpdate() {
         this._queued_visibility_update = true;
-        this._cursorTrackerSetPointerVisibleBound(false);
+        if (this._cursorTrackerSetPointerVisibleBound) this._cursorTrackerSetPointerVisibleBound(false);
         this._queueSpriteUpdate();
     }
 
diff --git a/gnome-44-max/src/extension.js b/gnome-44-max/src/extension.js
index cd17162..435154d 100644
--- a/gnome-44-max/src/extension.js
+++ b/gnome-44-max/src/extension.js
@@ -1,19 +1,21 @@
-import Clutter from 'gi://Clutter'
-import Gio from 'gi://Gio';
-import GLib from 'gi://GLib';
-import Meta from 'gi://Meta';
-import Shell from 'gi://Shell';
-import St from 'gi://St';
-
-import { CursorManager } from './cursormanager.js';
-import Globals from './globals.js';
-import { Logger } from './logger.js';
-import { MonitorManager } from './monitormanager.js';
-import { isValidKeepAlive } from './time.js';
-import { IPC_FILE_PATH, XREffect } from './xrEffect.js';
-
-import {Extension} from 'resource:///org/gnome/shell/extensions/extension.js';
-import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+const Clutter = imports.gi.Clutter;
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const Meta = imports.gi.Meta;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+
+const Main = imports.ui.main;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const Globals = Me.imports.globals;
+const { CursorManager } = Me.imports.cursormanager;
+const { Logger } = Me.imports.logger;
+const { MonitorManager } = Me.imports.monitormanager;
+const { isValidKeepAlive } = Me.imports.time;
+const { IPC_FILE_PATH, XREffect } = Me.imports.xrEffect;
 
 const NESTED_MONITOR_PRODUCT = 'MetaMonitor';
 const SUPPORTED_MONITOR_PRODUCTS = [
@@ -29,11 +31,10 @@ const SUPPORTED_MONITOR_PRODUCTS = [
     NESTED_MONITOR_PRODUCT
 ];
 
-export default class BreezyDesktopExtension extends Extension {
-    constructor(metadata, uuid) {
-        super(metadata, uuid);
-
-        this.settings = this.getSettings();
+class BreezyDesktopExtension {
+    constructor(extensionPath) {
+        this.path = extensionPath;
+        this.settings = ExtensionUtils.getSettings();
         
         // Set/destroyed by enable/disable
         this._cursor_manager = null;
@@ -593,6 +594,6 @@ export default class BreezyDesktopExtension extends Extension {
     }
 }
 
-function init() {
-    return new Extension();
+function init(meta) {
+    return new BreezyDesktopExtension(meta.path);
 }
diff --git a/gnome-44-max/src/globals.js b/gnome-44-max/src/globals.js
index 124d2e1..79a3a87 100644
--- a/gnome-44-max/src/globals.js
+++ b/gnome-44-max/src/globals.js
@@ -2,5 +2,4 @@ const Globals = {
     logger:         null,   
     ipc_file:       null,   // Gio.File instance, file exists if set
     extension_dir:  null    // string path
-}
-export default Globals;
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/gnome-44-max/src/ipc.js b/gnome-44-max/src/ipc.js
index a729368..d5f7ab0 100644
--- a/gnome-44-max/src/ipc.js
+++ b/gnome-44-max/src/ipc.js
@@ -1,30 +1,30 @@
-export const UINT8_SIZE = 1;
-export const BOOL_SIZE = UINT8_SIZE;
-export const UINT_SIZE = 4;
-export const FLOAT_SIZE = 4;
+var UINT8_SIZE = 1;
+var BOOL_SIZE = UINT8_SIZE;
+var UINT_SIZE = 4;
+var FLOAT_SIZE = 4;
 
-export const DATA_VIEW_INFO_OFFSET_INDEX = 0;
-export const DATA_VIEW_INFO_SIZE_INDEX = 1;
-export const DATA_VIEW_INFO_COUNT_INDEX = 2;
+var DATA_VIEW_INFO_OFFSET_INDEX = 0;
+var DATA_VIEW_INFO_SIZE_INDEX = 1;
+var DATA_VIEW_INFO_COUNT_INDEX = 2;
 
 // computes the end offset, exclusive
-export function dataViewEnd(dataViewInfo) {
+function dataViewEnd(dataViewInfo) {
     return dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX] + dataViewInfo[DATA_VIEW_INFO_SIZE_INDEX] * dataViewInfo[DATA_VIEW_INFO_COUNT_INDEX];
 }
 
-export function dataViewUint8(dataView, dataViewInfo) {
+function dataViewUint8(dataView, dataViewInfo) {
     return dataView.getUint8(dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX]);
 }
 
-export function dataViewUint(dataView, dataViewInfo) {
+function dataViewUint(dataView, dataViewInfo) {
     return dataView.getUint32(dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX], true);
 }
 
-export function dataViewBigUint(dataView, dataViewInfo) {
+function dataViewBigUint(dataView, dataViewInfo) {
     return Number(dataView.getBigUint64(dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX], true));
 }
 
-export function dataViewUint32Array(dataView, dataViewInfo) {
+function dataViewUint32Array(dataView, dataViewInfo) {
     const uintArray = []
     let offset = dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX];
     for (let i = 0; i < dataViewInfo[DATA_VIEW_INFO_COUNT_INDEX]; i++) {
@@ -34,7 +34,7 @@ export function dataViewUint32Array(dataView, dataViewInfo) {
     return uintArray;
 }
 
-export function dataViewUint8Array(dataView, dataViewInfo) {
+function dataViewUint8Array(dataView, dataViewInfo) {
     const uintArray = []
     let offset = dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX];
     for (let i = 0; i < dataViewInfo[DATA_VIEW_INFO_SIZE_INDEX] * dataViewInfo[DATA_VIEW_INFO_COUNT_INDEX]; i++) {
@@ -44,11 +44,11 @@ export function dataViewUint8Array(dataView, dataViewInfo) {
     return uintArray;
 }
 
-export function dataViewFloat(dataView, dataViewInfo) {
+function dataViewFloat(dataView, dataViewInfo) {
     return dataView.getFloat32(dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX], true);
 }
 
-export function dataViewFloatArray(dataView, dataViewInfo) {
+function dataViewFloatArray(dataView, dataViewInfo) {
     const floatArray = []
     let offset = dataViewInfo[DATA_VIEW_INFO_OFFSET_INDEX];
     for (let i = 0; i < dataViewInfo[DATA_VIEW_INFO_COUNT_INDEX]; i++) {
diff --git a/gnome-44-max/src/logger.js b/gnome-44-max/src/logger.js
index 50450c1..8b307fc 100644
--- a/gnome-44-max/src/logger.js
+++ b/gnome-44-max/src/logger.js
@@ -14,15 +14,15 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import * as Config from 'resource:///org/gnome/shell/misc/config.js';
-import Gio from 'gi://Gio';
-import GLib from 'gi://GLib';
-import GObject from 'gi://GObject';
-import System from 'system';
+const Config = imports.misc.config;
+const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
+const GObject = imports.gi.GObject;
+const System = imports.system;
 
 const LOG_DIR_NAME = 'breezy_gnome/logs/gjs';
 
-export const Logger = GObject.registerClass({
+var Logger = GObject.registerClass({
     GTypeName: 'Logger',
     Properties: {
         'title': GObject.ParamSpec.string(
diff --git a/gnome-44-max/src/math.js b/gnome-44-max/src/math.js
index 497274e..6c98cdb 100644
--- a/gnome-44-max/src/math.js
+++ b/gnome-44-max/src/math.js
@@ -1,3 +1,3 @@
-export function degreeToRadian(degree) {
+function degreeToRadian(degree) {
     return degree * Math.PI / 180;
 }
\ No newline at end of file
diff --git a/gnome-44-max/src/metadata.json b/gnome-44-max/src/metadata.json
index b9b5ebf..c888f94 100644
--- a/gnome-44-max/src/metadata.json
+++ b/gnome-44-max/src/metadata.json
@@ -5,7 +5,7 @@
     "settings-schema": "com.xronlinux.BreezyDesktop",
     "session-modes": ["user", "unlock-dialog"],
     "shell-version": [
-        "45", "46"
+        "42", "43", "44"
     ],
     "url": "https://github.com/wheaney/breezy-desktop"
 }
\ No newline at end of file
diff --git a/gnome-44-max/src/monitormanager.js b/gnome-44-max/src/monitormanager.js
index ca8a6a5..075ba63 100644
--- a/gnome-44-max/src/monitormanager.js
+++ b/gnome-44-max/src/monitormanager.js
@@ -16,12 +16,15 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-import Gio from 'gi://Gio';
-import GObject from 'gi://GObject';
+const Gio = imports.gi.Gio;
+const GObject = imports.gi.GObject;
 
-import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+const Main = imports.ui.main;
 
-import Globals from './globals.js';
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const Globals = Me.imports.globals;
 
 let cachedDisplayConfigProxy = null;
 
@@ -43,7 +46,7 @@ function getDisplayConfigProxy(extPath) {
     return cachedDisplayConfigProxy;
 }
 
-export function newDisplayConfig(extPath, callback) {
+function newDisplayConfig(extPath, callback) {
     const DisplayConfigProxy = getDisplayConfigProxy(extPath);
     new DisplayConfigProxy(
         Gio.DBus.session,
@@ -243,7 +246,7 @@ function performOptimalModeCheck(displayConfigProxy, connectorName, headsetAsPri
 }
 
 // Monitor change handling
-export const MonitorManager = GObject.registerClass({
+var MonitorManager = GObject.registerClass({
     Properties: {
         'use-optimal-monitor-config': GObject.ParamSpec.boolean(
             'use-optimal-monitor-config',
diff --git a/gnome-44-max/src/shader.js b/gnome-44-max/src/shader.js
index f70c96d..352be40 100644
--- a/gnome-44-max/src/shader.js
+++ b/gnome-44-max/src/shader.js
@@ -1,6 +1,6 @@
-import Gio from 'gi://Gio';
+const Gio = imports.gi.Gio;
 
-export function getShaderSource(path) {
+function getShaderSource(path) {
     const file = Gio.file_new_for_path(path);
     const data = file.load_contents(null);
 
diff --git a/gnome-44-max/src/time.js b/gnome-44-max/src/time.js
index 7883b9b..5478d2a 100644
--- a/gnome-44-max/src/time.js
+++ b/gnome-44-max/src/time.js
@@ -1,11 +1,11 @@
-export function getEpochSec() {
+function getEpochSec() {
     return toSec(Date.now());
 }
 
-export function toSec(milliseconds) {
+function toSec(milliseconds) {
     return Math.floor(milliseconds / 1000);
 }
 
-export function isValidKeepAlive(dateSec, strictCheck = false) {
+function isValidKeepAlive(dateSec, strictCheck = false) {
     return Math.abs(toSec(Date.now()) - dateSec) <= (strictCheck ? 1 : 5);
 }
\ No newline at end of file
diff --git a/gnome-44-max/src/xrEffect.js b/gnome-44-max/src/xrEffect.js
index 2680cae..bfb036f 100644
--- a/gnome-44-max/src/xrEffect.js
+++ b/gnome-44-max/src/xrEffect.js
@@ -1,13 +1,15 @@
-import Clutter from 'gi://Clutter';
-import Cogl from 'gi://Cogl';
-import GdkPixbuf from 'gi://GdkPixbuf';
-import GLib from 'gi://GLib';
-import GObject from 'gi://GObject';
-import Shell from 'gi://Shell';
-
-import Globals from './globals.js';
-
-import { 
+const Clutter = imports.gi.Clutter;
+const Cogl = imports.gi.Cogl;
+const GdkPixbuf = imports.gi.GdkPixbuf;
+const GLib = imports.gi.GLib;
+const GObject = imports.gi.GObject;
+const Shell = imports.gi.Shell;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const Globals = Me.imports.globals;
+const { 
     dataViewEnd,
     dataViewUint8,
     dataViewBigUint,
@@ -21,12 +23,12 @@ import {
     FLOAT_SIZE,
     UINT_SIZE,
     UINT8_SIZE
-} from "./ipc.js";
-import { degreeToRadian } from "./math.js";
-import { getShaderSource } from "./shader.js";
-import { isValidKeepAlive, toSec } from "./time.js";
+} = Me.imports.ipc;
+const { degreeToRadian } = Me.imports.math;
+const { getShaderSource } = Me.imports.shader;
+const { isValidKeepAlive, toSec } = Me.imports.time;
 
-export const IPC_FILE_PATH = "/dev/shm/breezy_desktop_imu";
+var IPC_FILE_PATH = "/dev/shm/breezy_desktop_imu";
 
 // the driver should be using the same data layout version
 const DATA_LAYOUT_VERSION = 3;
@@ -220,7 +222,7 @@ function checkParityByte(dataView) {
     return parityByte === parity;
 }
 
-export const XREffect = GObject.registerClass({
+var XREffect = GObject.registerClass({
     Properties: {
         'supported-device-detected': GObject.ParamSpec.boolean(
             'supported-device-detected',
@@ -360,8 +362,13 @@ export const XREffect = GObject.registerClass({
             if (!this._initialized) {
                 this.set_uniform_float(this.get_uniform_location('uDesktopTexture'), 1, [0]);
 
-                this.get_pipeline().set_layer_texture(1, calibratingImage.get_texture());
-                this.get_pipeline().set_layer_texture(2, customBannerImage.get_texture());
+                try {
+                    // this can break in GNOME 42
+                    this.get_pipeline().set_layer_texture(1, calibratingImage.get_texture());
+                    this.get_pipeline().set_layer_texture(2, customBannerImage.get_texture());
+                } catch (e) {
+                    Globals.logger.log(`ERROR: xrEffect.js vfunc_paint_target ${e.message}\n${e.stack}`);
+                }
                 this.get_pipeline().set_uniform_1i(this.get_uniform_location('uCalibratingTexture'), 1);
                 this.get_pipeline().set_uniform_1i(this.get_uniform_location('uCustomBannerTexture'), 2);