diff --git a/.cspell/project-terms.txt b/.cspell/project-terms.txt
index 4a1a15f..6d8c536 100644
--- a/.cspell/project-terms.txt
+++ b/.cspell/project-terms.txt
@@ -74,9 +74,11 @@ trycloudflare
 unquantized
 useclblast
 usecuda
+usemmap
 usevulkan
 vram
 vulkan
 vulkaninfo
 wayland
 websearch
+MMAP
diff --git a/package.json b/package.json
index 956d93f..842fd63 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "friendly-kobold",
   "productName": "Friendly Kobold",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "A modern Electron shell for KoboldCpp",
   "main": "out/main/index.js",
   "homepage": "./",
diff --git a/src/App.tsx b/src/App.tsx
index 92b3d2b..9196515 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -6,7 +6,7 @@ import { InterfaceScreen } from '@/components/screens/Interface';
 import { WelcomeScreen } from '@/components/screens/Welcome';
 import { UpdateAvailableModal } from '@/components/UpdateAvailableModal';
 import { SettingsModal } from '@/components/settings/SettingsModal';
-import { EjectConfirmDialog } from '@/components/EjectConfirmDialog';
+import { EjectConfirmModal } from '@/components/EjectConfirmModal';
 import { ScreenTransition } from '@/components/ScreenTransition';
 import { AppHeader } from '@/components/AppHeader';
 import { useUpdateChecker } from '@/hooks/useUpdateChecker';
@@ -20,7 +20,7 @@ export const App = () => {
   const [currentScreen, setCurrentScreen] = useState<Screen | null>(null);
   const [settingsOpened, setSettingsOpened] = useState(false);
   const [hasInitialized, setHasInitialized] = useState(false);
-  const [showEjectDialog, setShowEjectDialog] = useState(false);
+  const [showEjectModal, setShowEjectModal] = useState(false);
   const [activeInterfaceTab, setActiveInterfaceTab] = useState<string | null>(
     'terminal'
   );
@@ -179,7 +179,7 @@ export const App = () => {
     if (skipEjectConfirmation) {
       performEject();
     } else {
-      setShowEjectDialog(true);
+      setShowEjectModal(true);
     }
   };
 
@@ -309,9 +309,9 @@ export const App = () => {
           onClose={() => setSettingsOpened(false)}
           currentScreen={currentScreen || undefined}
         />
-        <EjectConfirmDialog
-          opened={showEjectDialog}
-          onClose={() => setShowEjectDialog(false)}
+        <EjectConfirmModal
+          opened={showEjectModal}
+          onClose={() => setShowEjectModal(false)}
           onConfirm={handleEjectConfirm}
         />
       </AppShell>
diff --git a/src/components/AppHeader.tsx b/src/components/AppHeader.tsx
index 7b6c1a3..11ff2e1 100644
--- a/src/components/AppHeader.tsx
+++ b/src/components/AppHeader.tsx
@@ -14,7 +14,6 @@ import { Settings, ArrowLeft } from 'lucide-react';
 import { StyledTooltip } from '@/components/StyledTooltip';
 import { soundAssets, playSound, initializeAudio } from '@/utils';
 import iconUrl from '/icon.png';
-import '@/styles/AppHeader.css';
 
 type Screen = 'welcome' | 'download' | 'launch' | 'interface';
 
diff --git a/src/components/EjectConfirmDialog.tsx b/src/components/EjectConfirmModal.tsx
similarity index 92%
rename from src/components/EjectConfirmDialog.tsx
rename to src/components/EjectConfirmModal.tsx
index 0d08aac..cdec0c9 100644
--- a/src/components/EjectConfirmDialog.tsx
+++ b/src/components/EjectConfirmModal.tsx
@@ -1,17 +1,17 @@
 import { useState } from 'react';
 import { Modal, Text, Group, Button, Checkbox, Stack } from '@mantine/core';
 
-interface EjectConfirmDialogProps {
+interface EjectConfirmModalProps {
   opened: boolean;
   onClose: () => void;
   onConfirm: (skipConfirmation: boolean) => void;
 }
 
-export const EjectConfirmDialog = ({
+export const EjectConfirmModal = ({
   opened,
   onClose,
   onConfirm,
-}: EjectConfirmDialogProps) => {
+}: EjectConfirmModalProps) => {
   const [skipConfirmation, setSkipConfirmation] = useState(false);
 
   const handleConfirm = () => {
diff --git a/src/components/screens/Launch/AdvancedTab.tsx b/src/components/screens/Launch/AdvancedTab.tsx
index 88a80d4..ec226ea 100644
--- a/src/components/screens/Launch/AdvancedTab.tsx
+++ b/src/components/screens/Launch/AdvancedTab.tsx
@@ -13,6 +13,7 @@ export const AdvancedTab = () => {
     failsafe,
     lowvram,
     quantmatmul,
+    usemmap,
     backend,
     handleAdditionalArgumentsChange,
     handleNoshiftChange,
@@ -21,6 +22,7 @@ export const AdvancedTab = () => {
     handleFailsafeChange,
     handleLowvramChange,
     handleQuantmatmulChange,
+    handleUsemmapChange,
   } = useLaunchConfig();
   const [backendSupport, setBackendSupport] = useState<{
     noavx2: boolean;
@@ -148,6 +150,19 @@ export const AdvancedTab = () => {
                 />
               </Group>
             </div>
+
+            <div className={styles.minWidth200}>
+              <Group gap="xs" align="center">
+                <Checkbox
+                  checked={usemmap}
+                  onChange={(event) =>
+                    handleUsemmapChange(event.currentTarget.checked)
+                  }
+                  label="MMAP"
+                />
+                <InfoTooltip label="Use MMAP to load models when enabled." />
+              </Group>
+            </div>
           </Group>
         </Stack>
       </div>
diff --git a/src/components/screens/Launch/index.tsx b/src/components/screens/Launch/index.tsx
index ac1eeb5..961c7b2 100644
--- a/src/components/screens/Launch/index.tsx
+++ b/src/components/screens/Launch/index.tsx
@@ -49,6 +49,7 @@ export const LaunchScreen = ({
     failsafe,
     lowvram,
     quantmatmul,
+    usemmap,
     backend,
     gpuDevice,
     gpuPlatform,
@@ -148,6 +149,7 @@ export const LaunchScreen = ({
     flashattention,
     noavx2,
     failsafe,
+    usemmap,
     usecuda: backend === 'cuda' || backend === 'rocm',
     usevulkan: backend === 'vulkan',
     useclblast: backend === 'clblast',
@@ -248,10 +250,13 @@ export const LaunchScreen = ({
       websearch,
       noshift,
       flashattention,
+      noavx2,
+      failsafe,
       backend,
       lowvram,
       gpuDevice,
       quantmatmul,
+      usemmap,
       additionalArguments,
       sdt5xxl,
       sdclipl,
diff --git a/src/constants/defaults.ts b/src/constants/defaults.ts
index 407a566..088b64a 100644
--- a/src/constants/defaults.ts
+++ b/src/constants/defaults.ts
@@ -2,5 +2,3 @@ export const DEFAULT_CONTEXT_SIZE = 4096;
 
 export const DEFAULT_MODEL_URL =
   'https://huggingface.co/MaziyarPanahi/gemma-3-4b-it-GGUF/resolve/main/gemma-3-4b-it.Q8_0.gguf?download=true';
-
-export const DEFAULT_HOST = '';
diff --git a/src/hooks/useLaunchConfig.ts b/src/hooks/useLaunchConfig.ts
index cb3c438..30a12c1 100644
--- a/src/hooks/useLaunchConfig.ts
+++ b/src/hooks/useLaunchConfig.ts
@@ -26,6 +26,7 @@ export const useLaunchConfig = () => {
     failsafe: state.failsafe,
     lowvram: state.lowvram,
     quantmatmul: state.quantmatmul,
+    usemmap: state.usemmap,
     backend: state.backend,
     gpuDevice: state.gpuDevice,
     gpuPlatform: state.gpuPlatform,
@@ -55,6 +56,7 @@ export const useLaunchConfig = () => {
     handleFailsafeChange: state.setFailsafe,
     handleLowvramChange: state.setLowvram,
     handleQuantmatmulChange: state.setQuantmatmul,
+    handleUsemmapChange: state.setUsemmap,
     handleBackendChange: state.setBackend,
     handleGpuDeviceChange: state.setGpuDevice,
     handleGpuPlatformChange: state.setGpuPlatform,
diff --git a/src/hooks/useLaunchLogic.ts b/src/hooks/useLaunchLogic.ts
index 5b54e84..bdebbda 100644
--- a/src/hooks/useLaunchLogic.ts
+++ b/src/hooks/useLaunchLogic.ts
@@ -21,10 +21,13 @@ interface LaunchArgs {
   websearch: boolean;
   noshift: boolean;
   flashattention: boolean;
+  noavx2: boolean;
+  failsafe: boolean;
   backend: string;
   lowvram: boolean;
   gpuDevice: number | string;
   quantmatmul: boolean;
+  usemmap: boolean;
   additionalArguments: string;
   sdt5xxl: string;
   sdclipl: string;
@@ -98,6 +101,9 @@ const buildConfigArgs = (launchArgs: LaunchArgs): string[] => {
     [launchArgs.websearch, '--websearch'],
     [launchArgs.noshift, '--noshift'],
     [launchArgs.flashattention, '--flashattention'],
+    [launchArgs.noavx2, '--noavx2'],
+    [launchArgs.failsafe, '--failsafe'],
+    [launchArgs.usemmap, '--usemmap'],
   ];
 
   flagMappings.forEach(([condition, flag, value]) => {
diff --git a/src/main/managers/KoboldCppManager.ts b/src/main/managers/KoboldCppManager.ts
index 9a34ca2..ea8eac8 100644
--- a/src/main/managers/KoboldCppManager.ts
+++ b/src/main/managers/KoboldCppManager.ts
@@ -384,6 +384,7 @@ export class KoboldCppManager {
       flashattention?: boolean;
       noavx2?: boolean;
       failsafe?: boolean;
+      usemmap?: boolean;
       usecuda?: boolean;
       usevulkan?: boolean;
       useclblast?: [number, number] | boolean;
diff --git a/src/main/managers/WindowManager.ts b/src/main/managers/WindowManager.ts
index 963f9d3..81f8faa 100644
--- a/src/main/managers/WindowManager.ts
+++ b/src/main/managers/WindowManager.ts
@@ -1,11 +1,4 @@
-import {
-  BrowserWindow,
-  app,
-  Menu,
-  shell,
-  ipcMain,
-  nativeImage,
-} from 'electron';
+import { BrowserWindow, app, Menu, shell, nativeImage } from 'electron';
 import * as os from 'os';
 import { join } from 'path';
 import { GITHUB_API } from '../../constants';
@@ -311,8 +304,9 @@ OS: ${osInfo}`;
       maximizable: false,
       show: false,
       webPreferences: {
-        nodeIntegration: true,
-        contextIsolation: false,
+        nodeIntegration: false,
+        contextIsolation: true,
+        preload: join(__dirname, '../preload/index.js'),
       },
     });
 
@@ -328,21 +322,6 @@ OS: ${osInfo}`;
     aboutWindow.once('ready-to-show', () => {
       aboutWindow.show();
     });
-
-    ipcMain.once('open-github', () => {
-      shell.openExternal(
-        `https://github.com/${GITHUB_API.FRIENDLY_KOBOLD_REPO}`
-      );
-    });
-
-    ipcMain.once('close-about-dialog', () => {
-      aboutWindow.close();
-    });
-
-    aboutWindow.on('closed', () => {
-      ipcMain.removeAllListeners('open-github');
-      ipcMain.removeAllListeners('close-about-dialog');
-    });
   }
 
   private getTemplatePath(filename: string): string {
diff --git a/src/main/templates/about-dialog.html b/src/main/templates/about-dialog.html
index d857067..fbc5eb5 100644
--- a/src/main/templates/about-dialog.html
+++ b/src/main/templates/about-dialog.html
@@ -131,8 +131,6 @@
     </div>
 
     <script>
-      const { ipcRenderer } = require('electron');
-
       function setVersionInfo(info) {
         document.getElementById('version-info').innerHTML = info.replace(
           /\n/g,
@@ -141,11 +139,16 @@
       }
 
       function openGitHub() {
-        ipcRenderer.send('open-github');
+        // Send IPC message directly since this is a simple modal
+        if (window.electronAPI && window.electronAPI.app) {
+          window.electronAPI.app.openExternal(
+            'https://github.com/lone-cloud/friendly-kobold'
+          );
+        }
       }
 
       function closeDialog() {
-        ipcRenderer.send('close-about-dialog');
+        window.close();
       }
 
       // Handle keyboard shortcuts
diff --git a/src/preload/index.ts b/src/preload/index.ts
index 76a688a..94c1d0b 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -2,14 +2,10 @@ import { contextBridge, ipcRenderer, type IpcRendererEvent } from 'electron';
 import type { KoboldAPI, AppAPI, ConfigAPI, LogsAPI } from '@/types/electron';
 
 const koboldAPI: KoboldAPI = {
-  getInstalledVersion: () => ipcRenderer.invoke('kobold:getInstalledVersion'),
   getInstalledVersions: () => ipcRenderer.invoke('kobold:getInstalledVersions'),
-  getCurrentVersion: () => ipcRenderer.invoke('kobold:getCurrentVersion'),
   getCurrentBinaryInfo: () => ipcRenderer.invoke('kobold:getCurrentBinaryInfo'),
   setCurrentVersion: (version: string) =>
     ipcRenderer.invoke('kobold:setCurrentVersion', version),
-  getVersionFromBinary: (binaryPath: string) =>
-    ipcRenderer.invoke('kobold:getVersionFromBinary', binaryPath),
   getLatestReleaseWithStatus: () =>
     ipcRenderer.invoke('kobold:getLatestReleaseWithStatus'),
   getROCmDownload: () => ipcRenderer.invoke('kobold:getROCmDownload'),
@@ -18,11 +14,7 @@ const koboldAPI: KoboldAPI = {
   getPlatform: () => ipcRenderer.invoke('kobold:getPlatform'),
   detectGPU: () => ipcRenderer.invoke('kobold:detectGPU'),
   detectCPU: () => ipcRenderer.invoke('kobold:detectCPU'),
-  detectGPUCapabilities: () =>
-    ipcRenderer.invoke('kobold:detectGPUCapabilities'),
   detectROCm: () => ipcRenderer.invoke('kobold:detectROCm'),
-  detectAllCapabilities: () =>
-    ipcRenderer.invoke('kobold:detectAllCapabilities'),
   detectBackendSupport: (binaryPath: string) =>
     ipcRenderer.invoke('kobold:detectBackendSupport', binaryPath),
   getAvailableBackends: () => ipcRenderer.invoke('kobold:getAvailableBackends'),
@@ -33,7 +25,6 @@ const koboldAPI: KoboldAPI = {
     ipcRenderer.invoke('kobold:downloadRelease', asset),
   launchKoboldCpp: (args?: string[], configFilePath?: string) =>
     ipcRenderer.invoke('kobold:launchKoboldCpp', args, configFilePath),
-  checkForUpdates: () => ipcRenderer.invoke('kobold:checkForUpdates'),
   getConfigFiles: () => ipcRenderer.invoke('kobold:getConfigFiles'),
   saveConfigFile: (
     configName: string,
@@ -52,6 +43,7 @@ const koboldAPI: KoboldAPI = {
       flashattention?: boolean;
       noavx2?: boolean;
       failsafe?: boolean;
+      usemmap?: boolean;
       usecuda?: boolean;
       usevulkan?: boolean;
       useclblast?: boolean;
@@ -107,7 +99,6 @@ const koboldAPI: KoboldAPI = {
 };
 
 const appAPI: AppAPI = {
-  getVersion: () => ipcRenderer.invoke('app:getVersion'),
   openExternal: (url) => ipcRenderer.invoke('app:openExternal', url),
 };
 
diff --git a/src/stores/launchConfigStore.ts b/src/stores/launchConfigStore.ts
index 14db20b..15cde06 100644
--- a/src/stores/launchConfigStore.ts
+++ b/src/stores/launchConfigStore.ts
@@ -1,7 +1,7 @@
 import { create } from 'zustand';
 import type { ConfigFile } from '@/types';
 import type { ImageModelPreset } from '@/utils/imageModelPresets';
-import { DEFAULT_CONTEXT_SIZE, DEFAULT_HOST } from '@/constants';
+import { DEFAULT_CONTEXT_SIZE } from '@/constants';
 
 interface LaunchConfigState {
   gpuLayers: number;
@@ -22,6 +22,7 @@ interface LaunchConfigState {
   failsafe: boolean;
   lowvram: boolean;
   quantmatmul: boolean;
+  usemmap: boolean;
   backend: string;
   gpuDevice: number;
   gpuPlatform: number;
@@ -51,6 +52,7 @@ interface LaunchConfigState {
   setFailsafe: (failsafe: boolean) => void;
   setLowvram: (lowvram: boolean) => void;
   setQuantmatmul: (quantmatmul: boolean) => void;
+  setUsemmap: (usemmap: boolean) => void;
   setBackend: (backend: string) => void;
   setGpuDevice: (device: number) => void;
   setGpuPlatform: (platform: number) => void;
@@ -86,7 +88,7 @@ export const useLaunchConfigStore = create<LaunchConfigState>((set, get) => ({
   modelPath: '',
   additionalArguments: '',
   port: undefined,
-  host: DEFAULT_HOST,
+  host: '',
   multiuser: false,
   multiplayer: false,
   remotetunnel: false,
@@ -98,6 +100,7 @@ export const useLaunchConfigStore = create<LaunchConfigState>((set, get) => ({
   failsafe: false,
   lowvram: false,
   quantmatmul: true,
+  usemmap: true,
   backend: '',
   gpuDevice: 0,
   gpuPlatform: 0,
@@ -127,6 +130,7 @@ export const useLaunchConfigStore = create<LaunchConfigState>((set, get) => ({
   setFailsafe: (failsafe) => set({ failsafe }),
   setLowvram: (lowvram) => set({ lowvram }),
   setQuantmatmul: (quantmatmul) => set({ quantmatmul }),
+  setUsemmap: (usemmap) => set({ usemmap }),
   setBackend: (backend) => set({ backend }),
   setGpuDevice: (device) => set({ gpuDevice: device }),
   setGpuPlatform: (platform) => set({ gpuPlatform: platform }),
@@ -171,7 +175,7 @@ export const useLaunchConfigStore = create<LaunchConfigState>((set, get) => ({
       if (typeof configData.host === 'string') {
         updates.host = configData.host;
       } else {
-        updates.host = DEFAULT_HOST;
+        updates.host = '';
       }
 
       if (typeof configData.multiuser === 'number') {
@@ -236,6 +240,12 @@ export const useLaunchConfigStore = create<LaunchConfigState>((set, get) => ({
         updates.quantmatmul = configData.quantmatmul;
       }
 
+      if (typeof configData.usemmap === 'boolean') {
+        updates.usemmap = configData.usemmap;
+      } else {
+        updates.usemmap = true;
+      }
+
       if (configData.usecuda === true) {
         const gpuInfo = await window.electronAPI.kobold.detectGPU();
         updates.backend = gpuInfo.hasNVIDIA ? 'cuda' : 'rocm';
diff --git a/src/styles/AppHeader.css b/src/styles/AppHeader.css
deleted file mode 100644
index b0038b4..0000000
--- a/src/styles/AppHeader.css
+++ /dev/null
@@ -1,45 +0,0 @@
-@keyframes elephantShake {
-  0%,
-  100% {
-    transform: scale(1.3) rotate(5deg) translateX(0px);
-  }
-  10% {
-    transform: scale(1.4) rotate(-3deg) translateX(-2px);
-  }
-  20% {
-    transform: scale(1.5) rotate(8deg) translateX(2px);
-  }
-  30% {
-    transform: scale(1.4) rotate(-5deg) translateX(-1px);
-  }
-  40% {
-    transform: scale(1.6) rotate(10deg) translateX(3px);
-  }
-  50% {
-    transform: scale(1.3) rotate(-8deg) translateX(-2px);
-  }
-  60% {
-    transform: scale(1.5) rotate(6deg) translateX(1px);
-  }
-  70% {
-    transform: scale(1.2) rotate(-4deg) translateX(-1px);
-  }
-  80% {
-    transform: scale(1.4) rotate(3deg) translateX(2px);
-  }
-  90% {
-    transform: scale(1.1) rotate(-2deg) translateX(-1px);
-  }
-}
-
-@keyframes mouseSqueak {
-  0% {
-    transform: scale(1) rotate(0deg);
-  }
-  50% {
-    transform: scale(1.15) rotate(2deg);
-  }
-  100% {
-    transform: scale(1) rotate(0deg);
-  }
-}
diff --git a/src/styles/index.css b/src/styles/index.css
index 75958d7..c57a5b4 100644
--- a/src/styles/index.css
+++ b/src/styles/index.css
@@ -1 +1,97 @@
 @import '@mantine/core/styles.css';
+
+/* Global smooth scrolling */
+* {
+  scroll-behavior: smooth;
+}
+
+html {
+  scroll-behavior: smooth;
+}
+
+/* Custom scrollbars */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+::-webkit-scrollbar-track {
+  background: transparent;
+  border-radius: 4px;
+}
+
+::-webkit-scrollbar-thumb {
+  background: rgba(134, 142, 150, 0.5);
+  border-radius: 4px;
+  transition: all 0.2s ease;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: rgba(134, 142, 150, 0.8);
+}
+
+::-webkit-scrollbar-thumb:active {
+  background: rgba(73, 80, 87, 0.9);
+}
+
+/* Dark mode scrollbar support */
+@media (prefers-color-scheme: dark) {
+  ::-webkit-scrollbar-thumb {
+    background: rgba(173, 181, 189, 0.5);
+  }
+
+  ::-webkit-scrollbar-thumb:hover {
+    background: rgba(173, 181, 189, 0.8);
+  }
+
+  ::-webkit-scrollbar-thumb:active {
+    background: rgba(206, 212, 218, 0.9);
+  }
+}
+
+/* AppHeader animations */
+@keyframes elephantShake {
+  0%,
+  100% {
+    transform: scale(1.3) rotate(5deg) translateX(0px);
+  }
+  10% {
+    transform: scale(1.4) rotate(-3deg) translateX(-2px);
+  }
+  20% {
+    transform: scale(1.5) rotate(8deg) translateX(2px);
+  }
+  30% {
+    transform: scale(1.4) rotate(-5deg) translateX(-1px);
+  }
+  40% {
+    transform: scale(1.6) rotate(10deg) translateX(3px);
+  }
+  50% {
+    transform: scale(1.3) rotate(-8deg) translateX(-2px);
+  }
+  60% {
+    transform: scale(1.5) rotate(6deg) translateX(1px);
+  }
+  70% {
+    transform: scale(1.2) rotate(-4deg) translateX(-1px);
+  }
+  80% {
+    transform: scale(1.4) rotate(3deg) translateX(2px);
+  }
+  90% {
+    transform: scale(1.1) rotate(-2deg) translateX(-1px);
+  }
+}
+
+@keyframes mouseSqueak {
+  0% {
+    transform: scale(1) rotate(0deg);
+  }
+  50% {
+    transform: scale(1.15) rotate(2deg);
+  }
+  100% {
+    transform: scale(1) rotate(0deg);
+  }
+}
diff --git a/src/types/electron.d.ts b/src/types/electron.d.ts
index b4dc0d6..28896f9 100644
--- a/src/types/electron.d.ts
+++ b/src/types/electron.d.ts
@@ -57,22 +57,17 @@ export interface DownloadItem {
 }
 
 export interface KoboldAPI {
-  getInstalledVersion: () => Promise<string | undefined>;
   getInstalledVersions: () => Promise<InstalledVersion[]>;
-  getCurrentVersion: () => Promise<InstalledVersion | null>;
   getCurrentBinaryInfo: () => Promise<{
     path: string;
     filename: string;
   } | null>;
   setCurrentVersion: (version: string) => Promise<boolean>;
-  getVersionFromBinary: (binaryPath: string) => Promise<string | null>;
   getLatestRelease: () => Promise<DownloadItem[]>;
   getPlatform: () => Promise<PlatformInfo>;
   detectGPU: () => Promise<BasicGPUInfo>;
   detectCPU: () => Promise<CPUCapabilities>;
-  detectGPUCapabilities: () => Promise<GPUCapabilities>;
   detectROCm: () => Promise<{ supported: boolean; devices: string[] }>;
-  detectAllCapabilities: () => Promise<HardwareInfo>;
   detectBackendSupport: (binaryPath: string) => Promise<{
     rocm: boolean;
     vulkan: boolean;
@@ -95,7 +90,6 @@ export interface KoboldAPI {
     error?: string;
   }>;
   getROCmDownload: () => Promise<DownloadItem | null>;
-  checkForUpdates: () => Promise<UpdateInfo | null>;
   getLatestReleaseWithStatus: () => Promise<ReleaseWithStatus | null>;
   launchKoboldCpp: (
     args?: string[],
@@ -121,6 +115,7 @@ export interface KoboldAPI {
       flashattention?: boolean;
       noavx2?: boolean;
       failsafe?: boolean;
+      usemmap?: boolean;
       usecuda?: boolean;
       usevulkan?: boolean;
       useclblast?: boolean;
@@ -152,7 +147,6 @@ export interface KoboldAPI {
 }
 
 export interface AppAPI {
-  getVersion: () => Promise<string>;
   openExternal: (url: string) => Promise<void>;
 }
 
diff --git a/src/utils/downloadUtils.ts b/src/utils/downloadUtils.ts
index e0a521a..22acd6f 100644
--- a/src/utils/downloadUtils.ts
+++ b/src/utils/downloadUtils.ts
@@ -1,4 +1,3 @@
-import { formatFileSizeInMB } from '@/utils/fileSize';
 import { KOBOLDAI_URLS } from '@/constants';
 
 export const formatDownloadSize = (size: number, url?: string): string => {
@@ -35,3 +34,9 @@ export const compareVersions = (versionA: string, versionB: string): number => {
 
   return 0;
 };
+
+const formatFileSizeInMB = (bytes: number) => {
+  if (bytes === 0) return '0 MB';
+  const mb = bytes / (1024 * 1024);
+  return parseFloat(mb.toFixed(1)) + ' MB';
+};
diff --git a/src/utils/fileSize.ts b/src/utils/fileSize.ts
deleted file mode 100644
index 44046d0..0000000
--- a/src/utils/fileSize.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export const formatFileSizeInMB = (bytes: number) => {
-  if (bytes === 0) return '0 MB';
-  const mb = bytes / (1024 * 1024);
-  return parseFloat(mb.toFixed(1)) + ' MB';
-};
diff --git a/src/utils/index.ts b/src/utils/index.ts
index bba0c2c..9c6ee56 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,7 +1,6 @@
 export * from './assets';
 export * from './clblast';
 export * from './downloadUtils';
-export * from './fileSize';
 export * from './hardware';
 export * from './imageModelPresets';
 export * from './platform';