diff --git a/package-lock.json b/package-lock.json
index 3e62ce73..8feadd67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,6 +38,7 @@
         "@nextcloud/webpack-vue-config": "^6.0.0",
         "@playwright/test": "^1.39.0",
         "@types/hammerjs": "^2.0.42",
+        "@types/justified-layout": "^4.1.1",
         "@types/luxon": "^3.3.2",
         "@types/url-parse": "^1.4.9",
         "@types/videojs-contrib-quality-levels": "^2.0.2",
@@ -2534,6 +2535,12 @@
       "integrity": "sha512-wOuvG1SN4Us4rez+tylwwwCV1psiNVOkJeM3AUWUNWg/jDQY2+HE/444y5gc+jBmRqASOm2Oeh5c1axHobwRKQ==",
       "peer": true
     },
+    "node_modules/@types/justified-layout": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/@types/justified-layout/-/justified-layout-4.1.1.tgz",
+      "integrity": "sha512-/ZJGVeDif6EHRzK3kUifyOekGJcBXD1s/eRYAYgkJHI4QAkohz62E0PSMbFrGpOdTulPWRgOAh1mFZbYw9a9iQ==",
+      "dev": true
+    },
     "node_modules/@types/leaflet": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.9.0.tgz",
@@ -13688,6 +13695,12 @@
       "integrity": "sha512-wOuvG1SN4Us4rez+tylwwwCV1psiNVOkJeM3AUWUNWg/jDQY2+HE/444y5gc+jBmRqASOm2Oeh5c1axHobwRKQ==",
       "peer": true
     },
+    "@types/justified-layout": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/@types/justified-layout/-/justified-layout-4.1.1.tgz",
+      "integrity": "sha512-/ZJGVeDif6EHRzK3kUifyOekGJcBXD1s/eRYAYgkJHI4QAkohz62E0PSMbFrGpOdTulPWRgOAh1mFZbYw9a9iQ==",
+      "dev": true
+    },
     "@types/leaflet": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.9.0.tgz",
diff --git a/package.json b/package.json
index 8f5235d4..5d620cac 100644
--- a/package.json
+++ b/package.json
@@ -66,6 +66,7 @@
     "@nextcloud/webpack-vue-config": "^6.0.0",
     "@playwright/test": "^1.39.0",
     "@types/hammerjs": "^2.0.42",
+    "@types/justified-layout": "^4.1.1",
     "@types/luxon": "^3.3.2",
     "@types/url-parse": "^1.4.9",
     "@types/videojs-contrib-quality-levels": "^2.0.2",
diff --git a/src/App.vue b/src/App.vue
index 17b6f791..5eb5e06a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -278,7 +278,7 @@ export default defineComponent({
         name: this.t('memories', 'Info'),
         icon: 'icon-details',
 
-        mount(el, fileInfo, context) {
+        mount(el: HTMLElement, fileInfo: { id: string | number }, context: any) {
           this.metadataComponent?.$destroy?.();
           this.metadataComponent = new Vue({
             render: (h) => h(Metadata),
@@ -287,7 +287,7 @@ export default defineComponent({
           this.metadataComponent.$mount(el);
           this.metadataComponent.$children[0].update(Number(fileInfo.id));
         },
-        update(fileInfo) {
+        update(fileInfo: { id: string | number }) {
           this.metadataComponent.$children[0].update(Number(fileInfo.id));
         },
         destroy() {
diff --git a/src/bootstrap.ts b/src/bootstrap.ts
index b8e0fab1..2a90ec03 100644
--- a/src/bootstrap.ts
+++ b/src/bootstrap.ts
@@ -27,11 +27,24 @@ import './styles/global.scss';
 
 // Global exposed variables
 declare global {
-  var mode: 'admin' | 'user';
+  var __webpack_nonce__: string;
+  var __webpack_public_path__: string;
 
-  var vueroute: () => Route;
   var OC: Nextcloud.Common.OC;
   var OCP: Nextcloud.Common.OCP;
+  var OCA: {
+    Files?: {
+      Sidebar?: any;
+      App?: any;
+    };
+    Theming?: {
+      name: string;
+      enabledThemes: any[];
+    };
+  };
+
+  var mode: 'admin' | 'user';
+  var vueroute: () => Route;
 
   var mModals: {
     editMetadata: (photos: IPhoto[], sections?: number[]) => void;
@@ -62,13 +75,12 @@ declare global {
   var windowInnerWidth: number; // cache
   var windowInnerHeight: number; // cache
 
-  var __webpack_nonce__: string;
-  var __webpack_public_path__: string;
-
   var vidjs: typeof videojsType;
   var Plyr: typeof PlyrType;
   var videoClientId: string;
   var videoClientIdPersistent: string;
+
+  var photoswipe: unknown;
 }
 
 // Allow global access to the router
diff --git a/src/components/admin/AdminMain.vue b/src/components/admin/AdminMain.vue
index a145ff1c..ba3c6b59 100644
--- a/src/components/admin/AdminMain.vue
+++ b/src/components/admin/AdminMain.vue
@@ -113,7 +113,7 @@ export default defineComponent({
       }
     },
 
-    async update(key: keyof ISystemConfig, value: any = null) {
+    async update<K extends keyof ISystemConfig>(key: K, value: ISystemConfig[K] | null = null) {
       if (!this.config?.hasOwnProperty(key)) {
         console.error('Unknown setting', key);
         return;
@@ -121,7 +121,7 @@ export default defineComponent({
 
       // Get final value
       value ??= this.config[key];
-      this.config[key as string] = value;
+      this.config[key] = value;
 
       try {
         this.loading++;
diff --git a/src/components/modal/AlbumCollaborators.vue b/src/components/modal/AlbumCollaborators.vue
index b5134b0d..b16a0761 100644
--- a/src/components/modal/AlbumCollaborators.vue
+++ b/src/components/modal/AlbumCollaborators.vue
@@ -265,7 +265,7 @@ export default defineComponent({
           },
         });
 
-        this.currentSearchResults = response.data.ocs.data.map((collaborator) => {
+        this.currentSearchResults = response.data.ocs.data.map((collaborator: any) => {
           switch (collaborator.source) {
             case 'users':
               return {
@@ -394,7 +394,7 @@ export default defineComponent({
       }, 10000);
     },
 
-    selectEntity(collaboratorKey) {
+    selectEntity(collaboratorKey: string) {
       if (this.selectedCollaboratorsKeys.includes(collaboratorKey)) {
         return;
       }
@@ -403,7 +403,7 @@ export default defineComponent({
       this.selectedCollaboratorsKeys.push(collaboratorKey);
     },
 
-    unselectEntity(collaboratorKey) {
+    unselectEntity(collaboratorKey: string) {
       const index = this.selectedCollaboratorsKeys.indexOf(collaboratorKey);
 
       if (index === -1) {
diff --git a/src/components/modal/AlbumForm.vue b/src/components/modal/AlbumForm.vue
index 00602f7b..cd978c33 100644
--- a/src/components/modal/AlbumForm.vue
+++ b/src/components/modal/AlbumForm.vue
@@ -216,10 +216,7 @@ export default defineComponent({
         this.loading = true;
         let album = { ...this.album };
         if (this.album.basename !== this.albumName) {
-          album = await dav.renameAlbum(this.album, {
-            currentAlbumName: this.album.basename,
-            newAlbumName: this.albumName,
-          });
+          album = await dav.renameAlbum(this.album, this.album.basename, this.albumName);
         }
         if (this.album.location !== this.albumLocation) {
           album.location = await dav.updateAlbum(this.album, {
diff --git a/src/components/modal/EditExif.vue b/src/components/modal/EditExif.vue
index 4161beed..224f7697 100644
--- a/src/components/modal/EditExif.vue
+++ b/src/components/modal/EditExif.vue
@@ -23,14 +23,14 @@
 
 <script lang="ts">
 import { defineComponent } from 'vue';
-import { IPhoto } from '../../types';
+import { IExif, IPhoto } from '../../types';
 
 const NcTextField = () => import('@nextcloud/vue/dist/Components/NcTextField');
 
 import { translate as t } from '@nextcloud/l10n';
 
 interface IField {
-  field: string;
+  field: keyof IExif;
   label: string;
 }
 
@@ -51,8 +51,8 @@ export default defineComponent({
   },
 
   data: () => ({
-    exif: null! as Record<string, string>,
-    dirty: {} as Record<string, boolean>,
+    exif: null as Record<keyof IExif, string> | null,
+    dirty: {} as Record<keyof IExif, boolean>,
 
     fields: [
       {
@@ -87,26 +87,17 @@ export default defineComponent({
   }),
 
   mounted() {
-    let exif = {};
+    const exif = {} as NonNullable<typeof this.exif>;
+
     for (const field of this.fields) {
-      exif[field.field] = null;
       this.dirty[field.field] = false;
-    }
 
-    const photos = this.photos as IPhoto[];
-    for (const photo of photos) {
-      if (!photo.imageInfo?.exif) {
-        continue;
-      }
-
-      for (const field of this.fields) {
-        const ePhoto = photo.imageInfo?.exif[field.field];
-        const eCurr = exif[field.field];
-        if (ePhoto && (eCurr === null || ePhoto === eCurr)) {
-          exif[field.field] = String(ePhoto);
-        } else {
-          exif[field.field] = String();
-        }
+      // Check if all photos have the same value for this field
+      const first = this.photos[0]?.imageInfo?.exif?.[field.field];
+      if (this.photos.every((p) => p.imageInfo?.exif?.[field.field] === first)) {
+        exif[field.field] = String(first ?? String());
+      } else {
+        exif[field.field] = String();
       }
     }
 
@@ -115,10 +106,10 @@ export default defineComponent({
 
   methods: {
     result() {
-      const diff = {};
+      const diff = {} as Record<keyof IExif, string>;
       for (const field of this.fields) {
         if (this.dirty[field.field]) {
-          diff[field.field] = this.exif[field.field];
+          diff[field.field] = this.exif![field.field];
         }
       }
       return diff;
@@ -133,7 +124,7 @@ export default defineComponent({
     },
 
     reset(field: IField) {
-      this.exif[field.field] = '';
+      this.exif![field.field] = '';
       this.dirty[field.field] = false;
     },
   },
diff --git a/src/components/viewer/ImageEditor.vue b/src/components/viewer/ImageEditor.vue
index 8820a810..e420733a 100644
--- a/src/components/viewer/ImageEditor.vue
+++ b/src/components/viewer/ImageEditor.vue
@@ -23,7 +23,7 @@ import LandscapeIcon from '@scaleflex/icons/landscape';
 import PortraitIcon from '@scaleflex/icons/portrait';
 import SquareIcon from '@scaleflex/icons/square';
 
-let TABS, TOOLS: any;
+let TABS: any, TOOLS: any;
 type FilerobotImageEditor = import('filerobot-image-editor').default;
 let FilerobotImageEditor: typeof import('filerobot-image-editor').default;
 
@@ -151,7 +151,7 @@ export default defineComponent({
 
     hasHighContrastEnabled(): boolean {
       const themes = globalThis.OCA?.Theming?.enabledThemes || [];
-      return themes.find((theme) => theme.indexOf('highcontrast') !== -1);
+      return themes.find((theme: any) => theme.indexOf('highcontrast') !== -1);
     },
 
     themeDataAttr(): Record<string, boolean> {
@@ -209,7 +209,7 @@ export default defineComponent({
       return img;
     },
 
-    onClose(closingReason, haveNotSavedChanges) {
+    onClose(closingReason: any, haveNotSavedChanges: boolean) {
       if (haveNotSavedChanges) {
         this.onExitWithoutSaving();
         return;
@@ -303,7 +303,7 @@ export default defineComponent({
     },
 
     // Key Handlers, override default Viewer arrow and escape key
-    handleKeydown(event) {
+    handleKeydown(event: KeyboardEvent) {
       event.stopImmediatePropagation();
       // escape key
       if (event.key === 'Escape') {
diff --git a/src/components/viewer/PsLivePhoto.ts b/src/components/viewer/PsLivePhoto.ts
index de1e010b..d7a0b003 100644
--- a/src/components/viewer/PsLivePhoto.ts
+++ b/src/components/viewer/PsLivePhoto.ts
@@ -30,7 +30,7 @@ class LivePhotoContentSetup {
     }
   }
 
-  onContentLoad(e) {
+  onContentLoad(e: PsEvent) {
     const content: PsContent = e.content;
     if (!isLiveContent(content)) return;
 
diff --git a/src/components/viewer/PsVideo.ts b/src/components/viewer/PsVideo.ts
index b9f51de9..07be0c6b 100644
--- a/src/components/viewer/PsVideo.ts
+++ b/src/components/viewer/PsVideo.ts
@@ -30,7 +30,7 @@ type PsVideoEvent = PsEvent & {
  * Check if slide has video content
  */
 export function isVideoContent(content: unknown): content is VideoContent {
-  return typeof content === 'object' && content?.['data']?.['type'] === 'video';
+  return typeof content === 'object' && (<any>content)?.['data']?.['type'] === 'video';
 }
 
 class VideoContentSetup {
@@ -235,7 +235,7 @@ class VideoContentSetup {
       playWithDelay();
     });
 
-    content.videojs.qualityLevels?.()?.on('addqualitylevel', (e) => {
+    content.videojs.qualityLevels?.()?.on('addqualitylevel', (e: any) => {
       if (e.qualityLevel?.label?.includes('max.m3u8')) {
         // This is the highest quality level
         // and guaranteed to be the last one
@@ -448,7 +448,7 @@ class VideoContentSetup {
     this.destroyVideo(content);
   }
 
-  onContentResize(e) {
+  onContentResize(e: PsVideoEvent & { width: number; height: number }) {
     if (isVideoContent(e.content)) {
       e.preventDefault();
 
@@ -461,12 +461,12 @@ class VideoContentSetup {
         content.element.style.height = height + 'px';
       }
 
-      if (content.slide && content.slide.placeholder) {
-        // override placeholder size, so it more accurately matches the video
-        const placeholderElStyle = content.slide.placeholder.element.style;
-        placeholderElStyle.transform = 'none';
-        placeholderElStyle.width = width + 'px';
-        placeholderElStyle.height = height + 'px';
+      // override placeholder size, so it more accurately matches the video
+      const phStyle = content.placeholder?.element?.style;
+      if (phStyle) {
+        phStyle.transform = 'none';
+        phStyle.width = width + 'px';
+        phStyle.height = height + 'px';
       }
     }
   }
diff --git a/src/components/viewer/Viewer.vue b/src/components/viewer/Viewer.vue
index b1a6bd4c..bd5d0215 100644
--- a/src/components/viewer/Viewer.vue
+++ b/src/components/viewer/Viewer.vue
@@ -487,8 +487,10 @@ export default defineComponent({
       globalThis.photoswipe = this.photoswipe;
 
       // Monkey patch for focus trapping in sidebar
-      const _onFocusIn = this.photoswipe.keyboard['_onFocusIn'];
-      this.photoswipe.keyboard['_onFocusIn'] = (e: FocusEvent) => {
+      const psKeyboard = this.photoswipe.keyboard as any;
+      const _onFocusIn = psKeyboard['_onFocusIn'];
+      console.assert(_onFocusIn, 'Missing _onFocusIn for monkey patch');
+      psKeyboard['_onFocusIn'] = (e: FocusEvent) => {
         if (
           e.target instanceof HTMLElement &&
           e.target.closest(['#app-sidebar-vue', '.v-popper__popper', '.modal-mask', '.oc-dialog'].join(','))
diff --git a/src/mixins/UserConfig.ts b/src/mixins/UserConfig.ts
index 53350ab8..3a90a8a9 100644
--- a/src/mixins/UserConfig.ts
+++ b/src/mixins/UserConfig.ts
@@ -31,10 +31,10 @@ export default defineComponent({
   methods: {
     async refreshFromConfig() {
       const config = await staticConfig.getAll();
-      const changed = Object.keys(config).filter((key) => config[key] !== this.config[key]);
+      const changed = Object.keys(config).filter(<K extends keyof IConfig>(key: K) => config[key] !== this.config[key]);
       if (changed.length === 0) return;
 
-      changed.forEach((key) => (this.config[key] = config[key]));
+      changed.forEach(<K extends keyof IConfig>(key: K) => (this.config[key] = config[key]));
       utils.bus.emit(eventName, null);
     },
 
diff --git a/src/native/api.ts b/src/native/api.ts
index 61a6cca5..d9279908 100644
--- a/src/native/api.ts
+++ b/src/native/api.ts
@@ -190,4 +190,4 @@ export type NativeX = {
 };
 
 /** The native interface is a global object that is injected by the native app. */
-export const nativex: NativeX = globalThis.nativex;
+export const nativex: NativeX = (<any>globalThis).nativex;
diff --git a/src/services/dav/albums.ts b/src/services/dav/albums.ts
index b58cb58f..c4f16525 100644
--- a/src/services/dav/albums.ts
+++ b/src/services/dav/albums.ts
@@ -212,7 +212,7 @@ export async function getAlbum(user: string, name: string, extraProps = {}) {
 }
 
 /** Rename an album */
-export async function renameAlbum(album: any, { currentAlbumName, newAlbumName }) {
+export async function renameAlbum(album: any, currentAlbumName: string, newAlbumName: string) {
   const newAlbum = { ...album, basename: newAlbumName };
   try {
     await client.moveFile(
diff --git a/src/services/dav/client.ts b/src/services/dav/client.ts
index cf44019a..05c0de78 100644
--- a/src/services/dav/client.ts
+++ b/src/services/dav/client.ts
@@ -28,7 +28,7 @@ import { generateRemoteUrl } from '@nextcloud/router';
 // Monkey business
 import * as rq from 'webdav/dist/node/request';
 const prepareRequestOptionsOld = rq.prepareRequestOptions.bind(rq);
-(<any>rq).prepareRequestOptions = (requestOptions, context, userOptions) => {
+(<any>rq).prepareRequestOptions = (requestOptions: any, context: any, userOptions: any) => {
   requestOptions.method = userOptions.method || requestOptions.method;
   return prepareRequestOptionsOld(requestOptions, context, userOptions);
 };
diff --git a/src/services/static-config.ts b/src/services/static-config.ts
index 1f95ba48..5a35ba52 100644
--- a/src/services/static-config.ts
+++ b/src/services/static-config.ts
@@ -48,9 +48,9 @@ class StaticConfig {
     }
 
     // Assign to existing default
-    for (const key in this.config) {
-      this.default![key] = this.config[key];
-      this.setLs(key as keyof IConfig, this.config[key]);
+    for (const k in this.config) {
+      const key = k as keyof IConfig;
+      this.setLs(key, this.config[key]);
     }
 
     // Resolve all promises
@@ -141,17 +141,20 @@ class StaticConfig {
       album_list_sort: 1,
     };
 
-    for (const key in config) {
-      const val = this.storage.getItem(`memories_${key}`);
-      if (val !== null) {
-        if (typeof config[key] === 'boolean') {
-          config[key] = val === 'true';
-        } else if (typeof config[key] === 'number') {
-          config[key] = Number(val);
-        } else {
-          config[key] = val;
-        }
+    const set = <K extends keyof IConfig, V extends IConfig[K]>(key: K, value: string | null) => {
+      if (value == null) return;
+
+      if (typeof config[key] === 'boolean') {
+        config[key] = (value === 'true') as V;
+      } else if (typeof config[key] === 'number') {
+        config[key] = Number(value) as V;
+      } else {
+        config[key] = value as V;
       }
+    };
+
+    for (const key in config) {
+      set(key as keyof IConfig, this.storage.getItem(`memories_${key}`));
     }
 
     this.default = config;
diff --git a/src/services/utils/algo.ts b/src/services/utils/algo.ts
index ea24fcb8..8eaaedba 100644
--- a/src/services/utils/algo.ts
+++ b/src/services/utils/algo.ts
@@ -81,7 +81,7 @@ export function randomSubarray<T>(arr: T[], size: number): T[] {
 }
 
 /** Set a timer that renews if existing */
-export function setRenewingTimeout<T>(ctx: T, name: string, callback: (() => void) | null, delay: number): void {
+export function setRenewingTimeout(ctx: any, name: string, callback: (() => void) | null, delay: number): void {
   if (ctx[name]) window.clearTimeout(ctx[name]);
   ctx[name] = window.setTimeout(() => {
     ctx[name] = 0;
diff --git a/src/shims.d.ts b/src/shims.d.ts
new file mode 100644
index 00000000..1f3f468e
--- /dev/null
+++ b/src/shims.d.ts
@@ -0,0 +1,19 @@
+declare module '*.svg' {
+  const content: string;
+  export default content;
+}
+
+declare module '*.vue' {
+  import type { defineComponent } from 'vue';
+  const Component: ReturnType<typeof defineComponent>;
+  export default Component;
+}
+
+// External components cannot be imported with .vue extension
+declare module '@nextcloud/vue/dist/Components/*' {
+  import type { defineComponent } from 'vue';
+  const Component: ReturnType<typeof defineComponent>;
+  export default Component;
+}
+
+declare module 'vue-virtual-scroller';
diff --git a/src/vue-shims.d.ts b/src/vue-shims.d.ts
deleted file mode 100644
index 751eb84e..00000000
--- a/src/vue-shims.d.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-declare module '*.vue' {
-  import type { defineComponent } from 'vue';
-  const Component: ReturnType<typeof defineComponent>;
-  export default Component;
-}
-
-declare module '*.svg' {
-  const content: string;
-  export default content;
-}
diff --git a/tsconfig.json b/tsconfig.json
index 9d6e063f..ba85af84 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,9 @@
 {
   "compilerOptions": {
-    "lib": ["dom", "es2017"],
+    "lib": [
+      "dom",
+      "es2017"
+    ],
     "target": "ES2017",
     "module": "es2020",
     "moduleResolution": "node",
@@ -9,10 +12,11 @@
     "jsx": "preserve",
     "useDefineForClassFields": true,
     "noImplicitThis": true,
+    "noImplicitAny": true,
     "esModuleInterop": true,
     "strictNullChecks": true
   },
   "vueCompilerOptions": {
     "target": 2.7
   }
-}
+}
\ No newline at end of file