diff --git a/.gitignore b/.gitignore
index 27704f29d..529226d5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 /node_modules
 /.pnp
 .pnp.js
+tsconfig.json
 
 # testing
 /coverage
diff --git a/interface.d.ts b/interface.d.ts
index 8db226161..a2cbab1ea 100644
--- a/interface.d.ts
+++ b/interface.d.ts
@@ -12,21 +12,24 @@ export interface IElectronAPI {
   arch: typeof process.env.arch
   version: typeof process.env.version
   readFile: (path: string) => ReturnType<fs.readFile>
-  writeFile: (path: string, data: string | Uint8Array) => ReturnType<fs.writeFile>
+  writeFile: (
+    path: string,
+    data: string | Uint8Array
+  ) => ReturnType<fs.writeFile>
   readdir: (path: string) => ReturnType<fs.readdir>
   getPath: (name: string) => Promise<string>
   rm: typeof fs.rm
   stat: (path: string) => ReturnType<fs.stat>
   statIsDirectory: (path: string) => Promise<boolean>
-  path: typeof path,
-  mkdir: typeof fs.mkdir,
-  rename: (prev: string, next: string) => typeof fs.rename,
+  path: typeof path
+  mkdir: typeof fs.mkdir
+  rename: (prev: string, next: string) => typeof fs.rename
   packageJson: {
-    name: string,
-  },
+    name: string
+  }
   process: {
     env: {
-      BASE_URL: (value?: string) => string,
+      BASE_URL: (value?: string) => string
     }
   }
 }
diff --git a/package.json b/package.json
index 703454439..4f4820c8a 100644
--- a/package.json
+++ b/package.json
@@ -145,11 +145,6 @@
     "@typescript-eslint/parser": "^5.0.0",
     "@vitejs/plugin-react": "^4.3.0",
     "@vitest/web-worker": "^1.5.0",
-    "@wdio/cli": "^8.24.3",
-    "@wdio/globals": "^8.36.0",
-    "@wdio/local-runner": "^8.36.0",
-    "@wdio/mocha-framework": "^8.36.0",
-    "@wdio/spec-reporter": "^8.36.0",
     "@xstate/cli": "^0.5.17",
     "autoprefixer": "^10.4.19",
     "electron": "^31.2.1",
@@ -170,7 +165,7 @@
     "setimmediate": "^1.0.5",
     "tailwindcss": "^3.4.1",
     "ts-node": "^10.0.0",
-    "typescript": "^4.5.4",
+    "typescript": "^5.0.0",
     "vite": "^5.0.12",
     "vite-plugin-eslint": "^1.8.1",
     "vite-plugin-package-version": "^1.1.0",
diff --git a/src/components/ActionButton.tsx b/src/components/ActionButton.tsx
index c20c9959a..e03b0fe86 100644
--- a/src/components/ActionButton.tsx
+++ b/src/components/ActionButton.tsx
@@ -108,7 +108,7 @@ export const ActionButton = forwardRef((props: ActionButtonProps, ref) => {
           ref={ref as ForwardedRef<HTMLAnchorElement>}
           to={to || paths.INDEX}
           className={classNames}
-          onClick={openExternalBrowserIfDesktop(to)}
+          onClick={openExternalBrowserIfDesktop(to as string)}
           {...rest}
           target="_blank"
         >
diff --git a/src/components/FileMachineProvider.tsx b/src/components/FileMachineProvider.tsx
index f849d5bbe..ef5cfb834 100644
--- a/src/components/FileMachineProvider.tsx
+++ b/src/components/FileMachineProvider.tsx
@@ -135,7 +135,9 @@ export const FileMachineProvider = ({
         const newPath =
           newDirPath + (name.endsWith(FILE_EXT) || isDir ? '' : FILE_EXT)
 
-        await window.electron.rename(oldPath, newPath, {})
+        await window.electron.rename(oldPath, newPath)
+
+        if (!file) { return Promise.reject(new Error('file is not defined')) }
 
         const currentFilePath = window.electron.path.join(file.path, file.name)
         if (oldPath === currentFilePath && project?.path) {
diff --git a/src/components/HelpMenu.tsx b/src/components/HelpMenu.tsx
index 3a5318ed7..777f9a1ac 100644
--- a/src/components/HelpMenu.tsx
+++ b/src/components/HelpMenu.tsx
@@ -142,7 +142,7 @@ function HelpMenuItem({
       {as === 'a' ? (
         <a
           {...(props as React.ComponentProps<'a'>)}
-          onClick={openExternalBrowserIfDesktop(props.href)}
+          onClick={openExternalBrowserIfDesktop((props as React.ComponentProps<'a'>).href)}
           className={`no-underline text-inherit ${baseClassName} ${className}`}
         >
           {children}
diff --git a/src/components/LowerRightControls.tsx b/src/components/LowerRightControls.tsx
index 33e144100..2c4958bcd 100644
--- a/src/components/LowerRightControls.tsx
+++ b/src/components/LowerRightControls.tsx
@@ -26,7 +26,7 @@ export function LowerRightControls({
 
   const isPlayWright = window?.localStorage.getItem('playwright') === 'true'
 
-  async function reportbug(event: { preventDefault: () => void }) {
+  async function reportbug(event: { preventDefault: () => void, stopPropagation: () => void }) {
     event?.preventDefault()
     event?.stopPropagation()
 
diff --git a/src/components/ProjectCard/ProjectCard.tsx b/src/components/ProjectCard/ProjectCard.tsx
index a5eaebf37..20ebfee92 100644
--- a/src/components/ProjectCard/ProjectCard.tsx
+++ b/src/components/ProjectCard/ProjectCard.tsx
@@ -113,8 +113,8 @@ function ProjectCard({
           </span>
           <span className="px-2 text-chalkboard-60 text-xs">
             Edited{' '}
-            {project.metadata && project.metadata.mtimeMs
-              ? getDisplayedTime(project.metadata.mtimeMs)
+            {project.metadata && project.metadata.modified
+              ? getDisplayedTime(project.metadata.modified.toString())
               : 'never'}
           </span>
         </div>
diff --git a/src/components/Settings/AllSettingsFields.tsx b/src/components/Settings/AllSettingsFields.tsx
index 2234c920f..a82214bf0 100644
--- a/src/components/Settings/AllSettingsFields.tsx
+++ b/src/components/Settings/AllSettingsFields.tsx
@@ -195,7 +195,9 @@ export const AllSettingsFields = forwardRef(
                     const paths = await getSettingsFolderPaths(
                       projectPath ? decodeURIComponent(projectPath) : undefined
                     )
-                    window.electron.showInFolder(paths[searchParamTab])
+                    const finalPath = paths[searchParamTab]
+                    if (!finalPath) { return new Error('finalPath undefined') }
+                    window.electron.showInFolder(finalPath)
                   }}
                   iconStart={{
                     icon: 'folder',
diff --git a/src/components/SettingsAuthProvider.tsx b/src/components/SettingsAuthProvider.tsx
index 0517db492..746090b30 100644
--- a/src/components/SettingsAuthProvider.tsx
+++ b/src/components/SettingsAuthProvider.tsx
@@ -209,7 +209,7 @@ export const SettingsAuthProviderBase = ({
       },
       services: {
         'Persist settings': (context) =>
-          saveSettings(context, loadedProject?.project.path),
+          saveSettings(context, loadedProject?.project?.path),
       },
     }
   )
diff --git a/src/index.tsx b/src/index.tsx
index 80d7e069c..4ed2a255a 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -7,8 +7,6 @@ import { HotkeysProvider } from 'react-hotkeys-hook'
 import ModalContainer from 'react-modal-promise'
 import { UpdaterModal, createUpdaterModal } from 'components/UpdaterModal'
 import { isDesktop } from 'lib/isDesktop'
-import { relaunch } from '@tauri-apps/plugin-process'
-import { check } from '@tauri-apps/plugin-updater'
 import {
   UpdaterRestartModal,
   createUpdaterRestartModal,
@@ -59,32 +57,4 @@ root.render(
 // or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
 reportWebVitals()
 
-const runTauriUpdater = async () => {
-  console.log('STUB: @pierre')
-  return
-
-  try {
-    const update = await check()
-    if (update && update.available) {
-      const { date, version, body } = update
-      const modal = createUpdaterModal(UpdaterModal)
-      const { wantUpdate } = await modal({ date, version, body })
-      if (wantUpdate) {
-        await update.downloadAndInstall()
-        // On macOS and Linux, the restart needs to be manually triggered
-        const isNotWindows = navigator.userAgent.indexOf('Win') === -1
-        if (isNotWindows) {
-          const relaunchModal = createUpdaterRestartModal(UpdaterRestartModal)
-          const { wantRestart } = await relaunchModal({ version })
-          if (wantRestart) {
-            await relaunch()
-          }
-        }
-      }
-    }
-  } catch (error) {
-    console.error(error)
-  }
-}
-
-isDesktop() && runTauriUpdater()
+isDesktop()
diff --git a/src/lang/std/fileSystemManager.ts b/src/lang/std/fileSystemManager.ts
index 1196d6b69..0bb71ed1a 100644
--- a/src/lang/std/fileSystemManager.ts
+++ b/src/lang/std/fileSystemManager.ts
@@ -28,13 +28,9 @@ class FileSystemManager {
       )
     }
 
-    return this.join(this.dir, path)
-      .catch((error) => {
-        return Promise.reject(new Error(`Error reading file: ${error}`))
-      })
-      .then((filePath) => {
-        return window.electron.readFile(filePath)
-      })
+    return this.join(this.dir, path).then((filePath) => {
+      return window.electron.readFile(filePath)
+    })
   }
 
   async exists(path: string): Promise<boolean | void> {
@@ -47,20 +43,16 @@ class FileSystemManager {
       )
     }
 
-    return this.join(this.dir, path)
-      .catch((error) => {
-        return Promise.reject(new Error(`Error checking file exists: ${error}`))
-      })
-      .then(async (file) => {
-        try {
-          await window.electron.stat(file)
-        } catch (e) {
-          if (e === 'ENOENT') {
-            return false
-          }
+    return this.join(this.dir, path).then(async (file) => {
+      try {
+        await window.electron.stat(file)
+      } catch (e) {
+        if (e === 'ENOENT') {
+          return false
         }
-        return true
-      })
+      }
+      return true
+    })
   }
 
   async getAllFiles(path: string): Promise<string[] | void> {
@@ -73,20 +65,16 @@ class FileSystemManager {
       )
     }
 
-    return this.join(this.dir, path)
-      .catch((error) => {
-        return Promise.reject(new Error(`Error joining dir: ${error}`))
-      })
-      .then((filepath) => {
-        return window.electron
-          .readdir(filepath)
-          .catch((error) => {
-            return Promise.reject(new Error(`Error reading dir: ${error}`))
-          })
-          .then((files) => {
-            return files.map((file) => file.path)
-          })
-      })
+    return this.join(this.dir, path).then((filepath) => {
+      return window.electron
+        .readdir(filepath)
+        .catch((error: Error) => {
+          return Promise.reject(new Error(`Error reading dir: ${error}`))
+        })
+        .then((files: string[]) => {
+          return files.map((filePath) => filePath)
+        })
+    })
   }
 }
 
diff --git a/src/lang/wasm.ts b/src/lang/wasm.ts
index 76bb773de..c8a7f54c8 100644
--- a/src/lang/wasm.ts
+++ b/src/lang/wasm.ts
@@ -22,8 +22,10 @@ import init, {
 import {
   configurationToSettingsPayload,
   projectConfigurationToSettingsPayload,
-  SaveSettingsPayload,
 } from 'lib/settings/settingsUtils'
+import {
+  SaveSettingsPayload,
+} from 'lib/settings/settingsTypes'
 import { KCLError } from './errors'
 import { KclError as RustKclError } from '../wasm-lib/kcl/bindings/KclError'
 import { EngineCommandManager } from './std/engineConnection'
diff --git a/src/lib/desktop.ts b/src/lib/desktop.ts
index 8c83ca532..997570830 100644
--- a/src/lib/desktop.ts
+++ b/src/lib/desktop.ts
@@ -1,3 +1,4 @@
+import { err } from 'lib/trap'
 import { Models } from '@kittycad/lib'
 import { ProjectConfiguration } from 'wasm-lib/kcl/bindings/ProjectConfiguration'
 import { Project } from 'wasm-lib/kcl/bindings/Project'
@@ -77,7 +78,8 @@ export async function renameProjectDirectory(
 export async function ensureProjectDirectoryExists(
   config: Partial<SaveSettingsPayload>
 ): Promise<string | undefined> {
-  const projectDir = config.app.projectDirectory
+  const projectDir = config.app?.projectDirectory
+  if (!projectDir) { return Promise.reject(new Error('projectDir is falsey')) }
   try {
     await window.electron.stat(projectDir)
   } catch (e) {
@@ -104,6 +106,7 @@ export async function createNewProjectDirectory(
     return Promise.reject('Project name cannot be empty.')
   }
 
+  if (!mainDir) { return Promise.reject(new Error('mainDir is falsey')) }
   const projectDir = window.electron.path.join(mainDir, projectName)
 
   try {
@@ -142,6 +145,8 @@ export async function listProjects(
   }
   const projectDir = await ensureProjectDirectoryExists(configuration)
   const projects = []
+  if (!projectDir) return Promise.reject(new Error('projectDir was falsey'))
+
   const entries = await window.electron.readdir(projectDir)
   for (let entry of entries) {
     const projectPath = window.electron.path.join(projectDir, entry)
@@ -231,7 +236,7 @@ const collectAllFilesRecursiveFrom = async (path: string) => {
   return entry
 }
 
-const getDefaultKclFileForDir = async (projectDir, file) => {
+const getDefaultKclFileForDir = async (projectDir: string, file: FileEntry) => {
   // Make sure the dir is a directory.
   const isFileEntryDir = await window.electron.statIsDirectory(projectDir)
   if (!isFileEntryDir) {
@@ -305,7 +310,7 @@ export async function getProjectInfo(projectPath: string): Promise<Project> {
   } catch (e) {
     if (e === 'ENOENT') {
       return Promise.reject(
-        new Error(`Project directory does not exist: ${project_path}`)
+        new Error(`Project directory does not exist: ${projectPath}`)
       )
     }
   }
@@ -314,7 +319,7 @@ export async function getProjectInfo(projectPath: string): Promise<Project> {
   const projectPathIsDir = await window.electron.statIsDirectory(projectPath)
   if (!projectPathIsDir) {
     return Promise.reject(
-      new Error(`Project path is not a directory: ${project_path}`)
+      new Error(`Project path is not a directory: ${projectPath}`)
     )
   }
 
@@ -322,9 +327,10 @@ export async function getProjectInfo(projectPath: string): Promise<Project> {
   let default_file = await getDefaultKclFileForDir(projectPath, walked)
   const metadata = await window.electron.stat(projectPath)
 
-  let project = /* FileEntry */ {
+  let project = {
     ...walked,
-    metadata,
+    // We need to map from node fs.Stats to FileMetadata
+    metadata: metadata.map((data: { mtimeMs: number }) => ({ modified: data.mtimeMs })),
     kcl_file_count: 0,
     directory_count: 0,
     default_file,
@@ -349,6 +355,7 @@ export async function writeProjectSettingsFile({
 }): Promise<void> {
   const projectSettingsFilePath = await getProjectSettingsFilePath(projectPath)
   const tomlStr = tomlStringify(configuration)
+  if (err(tomlStr)) return Promise.reject(tomlStr)
   return window.electron.writeFile(projectSettingsFilePath, tomlStr)
 }
 
@@ -387,7 +394,7 @@ export const getInitialDefaultDir = async () => {
 
 export const readProjectSettingsFile = async (
   projectPath: string
-): Promise<ProjectConfiguration> => {
+): Promise<Partial<SaveSettingsPayload>> => {
   let settingsPath = await getProjectSettingsFilePath(projectPath)
 
   // Check if this file exists.
@@ -426,6 +433,7 @@ export const writeAppSettingsFile = async (
 ) => {
   const appSettingsFilePath = await getAppSettingsFilePath()
   const tomlStr = tomlStringify(config)
+  if (err(tomlStr)) return Promise.reject(tomlStr)
   return window.electron.writeFile(appSettingsFilePath, tomlStr)
 }
 
diff --git a/src/lib/electron.ts b/src/lib/electron.ts
index 8ab37e0f1..5e2c85e1c 100644
--- a/src/lib/electron.ts
+++ b/src/lib/electron.ts
@@ -8,7 +8,8 @@ const save = (args: any) => ipcRenderer.invoke('dialog.showSaveDialog', args)
 const openExternal = (url: any) => ipcRenderer.invoke('shell.openExternal', url)
 const showInFolder = (path: string) =>
   ipcRenderer.invoke('shell.showItemInFolder', path)
-const login = (host: string): Promise<string> => ipcRenderer.invoke('login', host)
+const login = (host: string): Promise<string> =>
+  ipcRenderer.invoke('login', host)
 
 const readFile = (path: string) => fs.readFile(path, 'utf-8')
 const rename = (prev: string, next: string) => fs.rename(prev, next)
diff --git a/src/lib/openWindow.ts b/src/lib/openWindow.ts
index bb0302200..5f2689ee3 100644
--- a/src/lib/openWindow.ts
+++ b/src/lib/openWindow.ts
@@ -1,7 +1,8 @@
+import { MouseEventHandler } from 'react'
 import { isDesktop } from 'lib/isDesktop'
 
 export const openExternalBrowserIfDesktop = (to?: string) =>
-  function (e: Event) {
+  function (e) {
     if (isDesktop()) {
       // Ignoring because currentTarget could be a few different things
       // @ts-ignore
@@ -10,7 +11,7 @@ export const openExternalBrowserIfDesktop = (to?: string) =>
       e.stopPropagation()
       return false
     }
-  }
+  } as MouseEventHandler<HTMLAnchorElement>
 
 // Open a new browser window desktop style or browser style.
 export default async function openWindow(url: string) {
diff --git a/src/lib/routeLoaders.ts b/src/lib/routeLoaders.ts
index 7f371d839..c19725eed 100644
--- a/src/lib/routeLoaders.ts
+++ b/src/lib/routeLoaders.ts
@@ -117,19 +117,21 @@ export const fileLoader: LoaderFunction = async (
     // So that WASM gets an updated path for operations
     fileSystemManager.dir = project_path
 
-    const projectData: IndexLoaderData = {
-      code,
-      project: isDesktop()
-        ? await getProjectInfo(project_path)
-        : {
-            name: project_name,
+    const defaultProjectData = {
+            name: project_name || 'unnamed',
             path: project_path,
             children: [],
             kcl_file_count: 0,
             directory_count: 0,
             metadata: null,
             default_file: project_path,
-          },
+          }
+
+    const projectData: IndexLoaderData = {
+      code,
+      project: isDesktop()
+        ? (await getProjectInfo(project_path)) ?? defaultProjectData
+        : defaultProjectData,
       file: {
         name: current_file_name || '',
         path: current_file_path?.split('/').slice(0, -1).join('/') ?? '',
diff --git a/src/lib/settings/initialSettings.tsx b/src/lib/settings/initialSettings.tsx
index 296fbcd94..6bf192166 100644
--- a/src/lib/settings/initialSettings.tsx
+++ b/src/lib/settings/initialSettings.tsx
@@ -63,7 +63,9 @@ export class Setting<T = unknown> {
     return this._user
   }
   set user(v: T | undefined) {
-    this._user = this.validate(v) ? v : this._user
+    this._user = v !== undefined
+      ? this.validate(v) ? v : this._user
+      : v
     this.current = this.resolve()
   }
   /**
@@ -72,8 +74,10 @@ export class Setting<T = unknown> {
   get project(): T | undefined {
     return this._project
   }
-  set project(v: T) {
-    this._project = this.validate(v) ? v : this._project
+  set project(v: T | undefined) {
+    this._project = v !== undefined
+      ? this.validate(v)  ? v : this._project
+      : v
     this.current = this.resolve()
   }
   /**
diff --git a/src/lib/settings/settingsUtils.ts b/src/lib/settings/settingsUtils.ts
index ef73679f5..d05c126fd 100644
--- a/src/lib/settings/settingsUtils.ts
+++ b/src/lib/settings/settingsUtils.ts
@@ -129,7 +129,7 @@ export function readLocalStorageAppSettingsFile(): Configuration | Error {
   }
 }
 
-function readLocalStorageProjectSettingsFile(): ProjectConfiguration | Error {
+function readLocalStorageProjectSettingsFile(): Partial<SaveSettingsPayload> | Error {
   // TODO: Remove backwards compatibility after a few releases.
   let stored = localStorage.getItem(localStorageProjectSettingsPath()) ?? ''
 
diff --git a/src/lib/sorting.ts b/src/lib/sorting.ts
index a988caaa0..64c52b264 100644
--- a/src/lib/sorting.ts
+++ b/src/lib/sorting.ts
@@ -36,9 +36,9 @@ export function getSortFunction(sortBy: string) {
   }
 
   const sortByModified = (a: Project, b: Project) => {
-    if (a.metadata?.mtimeMs && b.metadata?.mtimeMs) {
-      const aDate = new Date(a.metadata.mtimeMs)
-      const bDate = new Date(b.metadata.mtimeMs)
+    if (a.metadata?.modified && b.metadata?.modified) {
+      const aDate = new Date(a.metadata.modified)
+      const bDate = new Date(b.metadata.modified)
       return !sortBy || sortBy.includes('desc')
         ? bDate.getTime() - aDate.getTime()
         : aDate.getTime() - bDate.getTime()
diff --git a/src/machines/authMachine.ts b/src/machines/authMachine.ts
index a4832be5b..9f38df1f6 100644
--- a/src/machines/authMachine.ts
+++ b/src/machines/authMachine.ts
@@ -7,6 +7,7 @@ import { getUser as getUserDesktop } from 'lib/desktop'
 
 const SKIP_AUTH =
   import.meta.env.VITE_KC_SKIP_AUTH === 'true' && import.meta.env.DEV
+
 const LOCAL_USER: Models['User_type'] = {
   id: '8675309',
   name: 'Test User',
diff --git a/tsconfig.json b/tsconfig.desktop.json
similarity index 100%
rename from tsconfig.json
rename to tsconfig.desktop.json
diff --git a/wdio.conf.ts b/wdio.conf.ts
deleted file mode 100644
index 0173937b2..000000000
--- a/wdio.conf.ts
+++ /dev/null
@@ -1,42 +0,0 @@
-import os from 'os'
-import path from 'path'
-import { spawn, ChildProcess } from 'child_process'
-
-let tauriDriver: ChildProcess
-
-const application =
-  process.env.E2E_APPLICATION || `./src-tauri/target/release/zoo-modeling-app`
-
-export const config = {
-  hostname: '127.0.0.1',
-  port: 4444,
-  specs: ['./e2e/tauri/specs/**/*.ts'],
-  maxInstances: 1,
-  capabilities: [
-    {
-      maxInstances: 1,
-      'tauri:options': {
-        application,
-        webviewOptions: {}, // Windows only
-      },
-    },
-  ],
-  reporters: ['spec'],
-  framework: 'mocha',
-  mochaOpts: {
-    bail: true,
-    ui: 'bdd',
-    timeout: 600000,
-  },
-
-  // ensure we are running `tauri-driver` before the session starts so that we can proxy the webdriver requests
-  beforeSession: () =>
-    (tauriDriver = spawn(
-      path.resolve(os.homedir(), '.cargo', 'bin', 'tauri-driver'),
-      [],
-      { stdio: [null, process.stdout, process.stderr] }
-    )),
-
-  // clean up the `tauri-driver` process we spawned at the start of the session
-  afterSession: () => tauriDriver.kill(),
-}