diff --git a/.eslintrc.js b/.eslintrc.js
index 2c643ed905..9e749f1436 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -466,6 +466,7 @@ module.exports = {
         '@typescript-eslint/no-explicit-any': 'off',
         '@typescript-eslint/no-extra-semi': 'off',
         '@typescript-eslint/no-namespace': 'off',
+        '@typescript-eslint/no-non-null-assertion': 'off',
       },
     },
     {
diff --git a/.yarn/patches/tus-js-client-npm-3.1.3-dc57874d23.patch b/.yarn/patches/tus-js-client-npm-3.1.3-dc57874d23.patch
new file mode 100644
index 0000000000..9bc37127da
--- /dev/null
+++ b/.yarn/patches/tus-js-client-npm-3.1.3-dc57874d23.patch
@@ -0,0 +1,36 @@
+diff --git a/lib/index.d.ts b/lib/index.d.ts
+index 7a4efead6df94263db77b12c72ddaeafaeaa406c..e47e63f1159f19dd780986f7e33ffdd70bfdc371 100644
+--- a/lib/index.d.ts
++++ b/lib/index.d.ts
+@@ -2,7 +2,12 @@
+ 
+ export const isSupported: boolean
+ export const canStoreURLs: boolean
+-export const defaultOptions: UploadOptions
++export const defaultOptions: UploadOptions & Required<Pick<UploadOptions, 
++| 'httpStack'
++| 'fileReader'
++| 'urlStorage'
++| 'fingerprint'
++>>
+ 
+ // TODO: Consider using { read: () => Promise<{ done: boolean; value?: any; }>; } as type
+ export class Upload {
+@@ -12,7 +17,7 @@ export class Upload {
+   options: UploadOptions
+   url: string | null
+ 
+-  static terminate(url: string, options?: UploadOptions): Promise<void>
++  static terminate(url: string, options: UploadOptions): Promise<void>
+   start(): void
+   abort(shouldTerminate?: boolean): Promise<void>
+   findPreviousUploads(): Promise<PreviousUpload[]>
+@@ -25,7 +30,7 @@ interface UploadOptions {
+ 
+   uploadUrl?: string | null
+   metadata?: { [key: string]: string }
+-  fingerprint?: (file: File, options?: UploadOptions) => Promise<string>
++  fingerprint?: (file: File, options: UploadOptions) => Promise<string>
+   uploadSize?: number | null
+ 
+   onProgress?: ((bytesSent: number, bytesTotal: number) => void) | null
diff --git a/package.json b/package.json
index 14a47e8183..d4d398d58a 100644
--- a/package.json
+++ b/package.json
@@ -175,6 +175,7 @@
     "preact": "patch:preact@npm:10.10.0#.yarn/patches/preact-npm-10.10.0-dd04de05e8.patch",
     "start-server-and-test": "patch:start-server-and-test@npm:1.14.0#.yarn/patches/start-server-and-test-npm-1.14.0-841aa34fdf.patch",
     "stylelint-config-rational-order": "patch:stylelint-config-rational-order@npm%3A0.1.2#./.yarn/patches/stylelint-config-rational-order-npm-0.1.2-d8336e84ed.patch",
-    "uuid@^8.3.2": "patch:uuid@npm:8.3.2#.yarn/patches/uuid-npm-8.3.2-eca0baba53.patch"
+    "uuid@^8.3.2": "patch:uuid@npm:8.3.2#.yarn/patches/uuid-npm-8.3.2-eca0baba53.patch",
+    "tus-js-client": "patch:tus-js-client@npm%3A3.1.3#./.yarn/patches/tus-js-client-npm-3.1.3-dc57874d23.patch"
   }
 }
diff --git a/packages/@uppy/companion-client/src/RequestClient.ts b/packages/@uppy/companion-client/src/RequestClient.ts
index a60dcf667e..7d7644a066 100644
--- a/packages/@uppy/companion-client/src/RequestClient.ts
+++ b/packages/@uppy/companion-client/src/RequestClient.ts
@@ -374,7 +374,6 @@ export default class RequestClient<M extends Meta, B extends Body> {
     try {
       return await new Promise((resolve, reject) => {
         const token = file.serverToken
-        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
         const host = getSocketHost(file.remote!.companionUrl)
 
         let socket: WebSocket | undefined
diff --git a/packages/@uppy/companion-client/src/Socket.ts b/packages/@uppy/companion-client/src/Socket.ts
index 3de816b8f4..72c3284407 100644
--- a/packages/@uppy/companion-client/src/Socket.ts
+++ b/packages/@uppy/companion-client/src/Socket.ts
@@ -50,9 +50,8 @@ export default class UppySocket {
       this.#isOpen = true
 
       while (this.#queued.length > 0 && this.#isOpen) {
-        const first = this.#queued.shift()
-        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        this.send(first!.action, first!.payload)
+        const first = this.#queued.shift()!
+        this.send(first.action, first.payload)
       }
     }
 
diff --git a/packages/@uppy/core/src/Uppy.test.ts b/packages/@uppy/core/src/Uppy.test.ts
index 04b4e61971..6f73e34452 100644
--- a/packages/@uppy/core/src/Uppy.test.ts
+++ b/packages/@uppy/core/src/Uppy.test.ts
@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-non-null-assertion */
 /* eslint-disable @typescript-eslint/ban-ts-comment */
 /* eslint no-console: "off", no-restricted-syntax: "off" */
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
@@ -166,7 +165,6 @@ describe('src/Core', () => {
 
       core.use(AcquirerPlugin1)
       const plugin = core.getPlugin('TestSelector1')
-      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
       expect(plugin!.id).toEqual('TestSelector1')
       expect(plugin instanceof UIPlugin)
     })
diff --git a/packages/@uppy/image-editor/src/Editor.tsx b/packages/@uppy/image-editor/src/Editor.tsx
index a2aa71ea4f..19b6cbfd56 100644
--- a/packages/@uppy/image-editor/src/Editor.tsx
+++ b/packages/@uppy/image-editor/src/Editor.tsx
@@ -77,7 +77,7 @@ export default class Editor<M extends Meta, B extends Body> extends Component<
       const newCropboxData = limitCropboxMovementOnMove(
         canvasData,
         cropboxData,
-        prevCropboxData,
+        prevCropboxData!,
       )
       if (newCropboxData) this.cropper.setCropBoxData(newCropboxData)
       // 2. When we stretch the cropbox by one of its sides
@@ -85,7 +85,7 @@ export default class Editor<M extends Meta, B extends Body> extends Component<
       const newCropboxData = limitCropboxMovementOnResize(
         canvasData,
         cropboxData,
-        prevCropboxData,
+        prevCropboxData!,
       )
       if (newCropboxData) this.cropper.setCropBoxData(newCropboxData)
     }
diff --git a/packages/@uppy/image-editor/src/ImageEditor.tsx b/packages/@uppy/image-editor/src/ImageEditor.tsx
index d66db50410..a96a068d46 100644
--- a/packages/@uppy/image-editor/src/ImageEditor.tsx
+++ b/packages/@uppy/image-editor/src/ImageEditor.tsx
@@ -185,7 +185,6 @@ export default class ImageEditor<
 
     this.cropper
       .getCroppedCanvas(this.opts.cropperOptions.croppedCanvasOptions)
-      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
       .toBlob(saveBlobCallback, currentImage!.type, this.opts.quality)
   }
 
diff --git a/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnMove.ts b/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnMove.ts
index 41875cf1cc..ea8b4cf295 100644
--- a/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnMove.ts
+++ b/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnMove.ts
@@ -3,13 +3,13 @@ import type Cropper from 'cropperjs'
 function limitCropboxMovementOnMove(
   canvas: Cropper.CanvasData,
   cropbox: Cropper.CropBoxData,
-  prevCropbox: Cropper.CropBoxData | null,
+  prevCropbox: Cropper.CropBoxData,
 ): { left?: number; top?: number; width?: number; height?: number } | null {
   // For the left boundary
   if (cropbox.left < canvas.left) {
     return {
       left: canvas.left,
-      width: prevCropbox!.width,
+      width: prevCropbox.width,
     }
   }
 
@@ -17,23 +17,23 @@ function limitCropboxMovementOnMove(
   if (cropbox.top < canvas.top) {
     return {
       top: canvas.top,
-      height: prevCropbox!.height,
+      height: prevCropbox.height,
     }
   }
 
   // For the right boundary
   if (cropbox.left + cropbox.width > canvas.left + canvas.width) {
     return {
-      left: canvas.left + canvas.width - prevCropbox!.width,
-      width: prevCropbox!.width,
+      left: canvas.left + canvas.width - prevCropbox.width,
+      width: prevCropbox.width,
     }
   }
 
   // For the bottom boundary
   if (cropbox.top + cropbox.height > canvas.top + canvas.height) {
     return {
-      top: canvas.top + canvas.height - prevCropbox!.height,
-      height: prevCropbox!.height,
+      top: canvas.top + canvas.height - prevCropbox.height,
+      height: prevCropbox.height,
     }
   }
 
diff --git a/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnResize.ts b/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnResize.ts
index 06876d05fb..a548f06e55 100644
--- a/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnResize.ts
+++ b/packages/@uppy/image-editor/src/utils/limitCropboxMovementOnResize.ts
@@ -3,13 +3,13 @@ import type Cropper from 'cropperjs'
 function limitCropboxMovementOnResize(
   canvas: Cropper.CanvasData,
   cropboxData: Cropper.CropBoxData,
-  prevCropbox: Cropper.CropBoxData | null,
+  prevCropbox: Cropper.CropBoxData,
 ): { left?: number; top?: number; width?: number; height?: number } | null {
   // For the left boundary
   if (cropboxData.left < canvas.left) {
     return {
       left: canvas.left,
-      width: prevCropbox!.left + prevCropbox!.width - canvas.left,
+      width: prevCropbox.left + prevCropbox.width - canvas.left,
     }
   }
 
@@ -17,23 +17,23 @@ function limitCropboxMovementOnResize(
   if (cropboxData.top < canvas.top) {
     return {
       top: canvas.top,
-      height: prevCropbox!.top + prevCropbox!.height - canvas.top,
+      height: prevCropbox.top + prevCropbox.height - canvas.top,
     }
   }
 
   // For the right boundary
   if (cropboxData.left + cropboxData.width > canvas.left + canvas.width) {
     return {
-      left: prevCropbox!.left,
-      width: canvas.left + canvas.width - prevCropbox!.left,
+      left: prevCropbox.left,
+      width: canvas.left + canvas.width - prevCropbox.left,
     }
   }
 
   // For the bottom boundary
   if (cropboxData.top + cropboxData.height > canvas.top + canvas.height) {
     return {
-      top: prevCropbox!.top,
-      height: canvas.top + canvas.height - prevCropbox!.top,
+      top: prevCropbox.top,
+      height: canvas.top + canvas.height - prevCropbox.top,
     }
   }
 
diff --git a/packages/@uppy/status-bar/src/Components.tsx b/packages/@uppy/status-bar/src/Components.tsx
index 5890a36c64..ee5cd83332 100644
--- a/packages/@uppy/status-bar/src/Components.tsx
+++ b/packages/@uppy/status-bar/src/Components.tsx
@@ -209,7 +209,7 @@ function PauseResumeButton<M extends Meta, B extends Body>(
 
 interface DoneBtnProps {
   i18n: I18n
-  doneButtonHandler: (() => void) | null
+  doneButtonHandler: (() => void) | undefined
 }
 
 function DoneBtn(props: DoneBtnProps): JSX.Element {
@@ -219,7 +219,7 @@ function DoneBtn(props: DoneBtnProps): JSX.Element {
     <button
       type="button"
       className="uppy-u-reset uppy-c-btn uppy-StatusBar-actionBtn uppy-StatusBar-actionBtn--done"
-      onClick={doneButtonHandler!}
+      onClick={doneButtonHandler}
       data-uppy-super-focusable
     >
       {i18n('done')}
@@ -251,13 +251,12 @@ interface ProgressBarProcessingProps {
 function ProgressBarProcessing(props: ProgressBarProcessingProps): JSX.Element {
   const { progress } = props
   const { value, mode, message } = progress
-  const roundedValue = Math.round(value! * 100)
   const dot = `\u00B7`
 
   return (
     <div className="uppy-StatusBar-content">
       <LoadingSpinner />
-      {mode === 'determinate' ? `${roundedValue}% ${dot} ` : ''}
+      {mode === 'determinate' ? `${Math.round(value * 100)}% ${dot} ` : ''}
       {message}
     </div>
   )
diff --git a/packages/@uppy/status-bar/src/StatusBar.tsx b/packages/@uppy/status-bar/src/StatusBar.tsx
index 20a007e912..ecb1cc66b9 100644
--- a/packages/@uppy/status-bar/src/StatusBar.tsx
+++ b/packages/@uppy/status-bar/src/StatusBar.tsx
@@ -238,10 +238,10 @@ export default class StatusBar<M extends Meta, B extends Body> extends UIPlugin<
 
   onMount(): void {
     // Set the text direction if the page has not defined one.
-    const element = this.el
-    const direction = getTextDirection(element!)
+    const element = this.el!
+    const direction = getTextDirection(element)
     if (!direction) {
-      element!.dir = 'ltr'
+      element.dir = 'ltr'
     }
   }
 
diff --git a/packages/@uppy/status-bar/src/calculateProcessingProgress.ts b/packages/@uppy/status-bar/src/calculateProcessingProgress.ts
index 946d23bac8..3af965f5a2 100644
--- a/packages/@uppy/status-bar/src/calculateProcessingProgress.ts
+++ b/packages/@uppy/status-bar/src/calculateProcessingProgress.ts
@@ -13,7 +13,7 @@ export default function calculateProcessingProgress(
     // In the future we should probably do this differently. For now we'll take the
     // mode and message from the first file…
     if (message == null && (preprocess || postprocess)) {
-      ;({ mode, message } = preprocess || postprocess!) // eslint-disable-line @typescript-eslint/no-non-null-assertion
+      ;({ mode, message } = preprocess || postprocess!)
     }
     if (preprocess?.mode === 'determinate') values.push(preprocess.value)
     if (postprocess?.mode === 'determinate') values.push(postprocess.value)
diff --git a/packages/@uppy/tus/src/getFingerprint.ts b/packages/@uppy/tus/src/getFingerprint.ts
index aee8d2d3ea..442f0d1a8e 100644
--- a/packages/@uppy/tus/src/getFingerprint.ts
+++ b/packages/@uppy/tus/src/getFingerprint.ts
@@ -34,10 +34,10 @@ export default function getFingerprint<M extends Meta, B extends Body>(
 ): tus.UploadOptions['fingerprint'] {
   return (file, options) => {
     if (isCordova() || isReactNative()) {
-      return tus.defaultOptions.fingerprint!(file, options)
+      return tus.defaultOptions.fingerprint(file, options)
     }
 
-    const uppyFingerprint = ['tus', uppyFile.id, options!.endpoint].join('-')
+    const uppyFingerprint = ['tus', uppyFile.id, options.endpoint].join('-')
 
     return Promise.resolve(uppyFingerprint)
   }
diff --git a/packages/@uppy/tus/src/index.ts b/packages/@uppy/tus/src/index.ts
index 53dd280f4e..4480dd5e48 100644
--- a/packages/@uppy/tus/src/index.ts
+++ b/packages/@uppy/tus/src/index.ts
@@ -166,13 +166,12 @@ export default class Tus<M extends Meta, B extends Body> extends BasePlugin<
    * any events related to the file, and the Companion WebSocket connection.
    */
   resetUploaderReferences(fileID: string, opts?: { abort: boolean }): void {
-    if (this.uploaders[fileID]) {
-      const uploader = this.uploaders[fileID]
-
-      uploader!.abort()
+    const uploader = this.uploaders[fileID]
+    if (uploader) {
+      uploader.abort()
 
       if (opts?.abort) {
-        uploader!.abort(true)
+        uploader.abort(true)
       }
 
       this.uploaders[fileID] = null
diff --git a/packages/@uppy/utils/src/getDroppedFiles/utils/webkitGetAsEntryApi/index.ts b/packages/@uppy/utils/src/getDroppedFiles/utils/webkitGetAsEntryApi/index.ts
index ab214dc103..aa9e7b0009 100644
--- a/packages/@uppy/utils/src/getDroppedFiles/utils/webkitGetAsEntryApi/index.ts
+++ b/packages/@uppy/utils/src/getDroppedFiles/utils/webkitGetAsEntryApi/index.ts
@@ -42,7 +42,6 @@ function getAsFileSystemHandleFromEntry(
           onSuccess: (dirEntries) =>
             resolve(
               dirEntries.map(
-                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
                 (file) => getAsFileSystemHandleFromEntry(file, logDropError)!,
               ),
             ),
diff --git a/packages/@uppy/xhr-upload/src/index.test.ts b/packages/@uppy/xhr-upload/src/index.test.ts
index a9c0339126..62271157e6 100644
--- a/packages/@uppy/xhr-upload/src/index.test.ts
+++ b/packages/@uppy/xhr-upload/src/index.test.ts
@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-non-null-assertion */
 import { vi, describe, it, expect } from 'vitest'
 import nock from 'nock'
 import Core from '@uppy/core'
diff --git a/yarn.lock b/yarn.lock
index f75881a4b0..05d771920a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -30266,7 +30266,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tus-js-client@npm:^3.1.3":
+"tus-js-client@npm:3.1.3":
   version: 3.1.3
   resolution: "tus-js-client@npm:3.1.3"
   dependencies:
@@ -30281,6 +30281,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tus-js-client@patch:tus-js-client@npm%3A3.1.3#./.yarn/patches/tus-js-client-npm-3.1.3-dc57874d23.patch::locator=%40uppy-dev%2Fbuild%40workspace%3A.":
+  version: 3.1.3
+  resolution: "tus-js-client@patch:tus-js-client@npm%3A3.1.3#./.yarn/patches/tus-js-client-npm-3.1.3-dc57874d23.patch::version=3.1.3&hash=f79010&locator=%40uppy-dev%2Fbuild%40workspace%3A."
+  dependencies:
+    buffer-from: ^1.1.2
+    combine-errors: ^3.0.3
+    is-stream: ^2.0.0
+    js-base64: ^3.7.2
+    lodash.throttle: ^4.1.1
+    proper-lockfile: ^4.1.2
+    url-parse: ^1.5.7
+  checksum: ae7275f12e016271e67f8d465f914f4b8c8b6ecd75501ebba95374176247903bada06452f5b7a0e8e7d80342cd63dc395eda5a707bf216c770b95cf60e1b0d63
+  languageName: node
+  linkType: hard
+
 "tv4@npm:^1.3.0":
   version: 1.3.0
   resolution: "tv4@npm:1.3.0"