So I updated to 2.2.0 last night and now the IDE just won't launch. I'm on Windows 10 for what it's worth. Here is the PowerShell output. As you will see, there is an error on the last line and that's where it hangs. I've tried reinstalling and also giving the IDE focus, but nothing helps.
Arduino IDE 2.2.0
Checking for frontend application configuration customizations. Module path: C:\Program Files\Arduino IDE\resources\app\lib\backend\electron-main.js, destination 'package.json': C:\Program Files\Arduino IDE\resources\app\package.json
Setting 'theia.frontend.config.appVersion' application configuration value to: "2.2.0" (type of string)
Setting 'theia.frontend.config.cliVersion' application configuration value to: "0.34.0" (type of string)
Setting 'theia.frontend.config.buildDate' application configuration value to: "2023-08-29T09:42:31.244Z" (type of string)
Frontend application configuration after modifications: {"applicationName":"Arduino IDE","defaultTheme":{"light":"arduino-theme","dark":"arduino-theme-dark"},"defaultIconTheme":"none","electron":{"windowOptions":{}},"defaultLocale":"","validatePreferencesSchema":false,"preferences":{"window.title":"${rootName}${activeEditorShort}${appName}","files.autoSave":"afterDelay","editor.minimap.enabled":false,"editor.tabSize":2,"editor.scrollBeyondLastLine":false,"editor.quickSuggestions":{"other":false,"comments":false,"strings":false},"editor.maxTokenizationLineLength":500,"editor.bracketPairColorization.enabled":false,"breadcrumbs.enabled":false,"workbench.tree.renderIndentGuides":"none","explorer.compactFolders":false},"appVersion":"2.2.0","cliVersion":"0.34.0","buildDate":"2023-08-29T09:42:31.244Z"}
Starting backend process. PID: 8968
Using browser-only version of superagent in non-browser environment
Configuration directory URI: 'file:///c%3A/Users/majhi/.arduinoIDE'
Configuring to accept webviews on '^.+\.webview\..+$' hostname.
2023-08-31T06:51:35.213Z root INFO Backend Object.initialize: 3.0 ms [Finished 0.421 s after backend start]
2023-08-31T06:51:35.214Z root INFO Backend Object.configure: 2.5 ms [Finished 0.421 s after backend start]
2023-08-31T06:51:35.214Z root INFO Backend a.onStart: 1.0 ms [Finished 0.421 s after backend start]
2023-08-31T06:51:35.214Z root INFO Backend a.configure: 0.3 ms [Finished 0.439 s after backend start]
2023-08-31T06:51:35.215Z root INFO Backend u.onStart: 0.2 ms [Finished 0.439 s after backend start]
2023-08-31T06:51:35.215Z root INFO Backend d.configure: 0.1 ms [Finished 0.439 s after backend start]
2023-08-31T06:51:35.216Z root INFO Backend d.initialize: 18.2 ms [Finished 0.439 s after backend start]
2023-08-31T06:51:35.216Z root INFO Backend c.onStart: 0.2 ms [Finished 0.439 s after backend start]
2023-08-31T06:51:35.217Z root INFO Backend s.configure: 0.8 ms [Finished 0.440 s after backend start]
2023-08-31T06:51:35.218Z config INFO >>> Initializing CLI configuration...
2023-08-31T06:51:35.218Z root INFO Backend c.initialize: 0.3 ms [Finished 0.440 s after backend start]
2023-08-31T06:51:35.218Z root INFO Backend P.onStart: 0.5 ms [Finished 0.441 s after backend start]
2023-08-31T06:51:35.219Z config INFO Loading CLI configuration from c:\Users\majhi\.arduinoIDE\arduino-cli.yaml...
2023-08-31T06:51:35.219Z daemon INFO Starting daemon from C:\Program Files\Arduino IDE\resources\app\lib\backend\resources\arduino-cli.exe...
2023-08-31T06:51:35.219Z root INFO Backend s.initialize: 0.2 ms [Finished 0.442 s after backend start]
2023-08-31T06:51:35.219Z root INFO Backend w.onStart: 0.9 ms [Finished 0.442 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend r.configure: 1.5 ms [Finished 0.442 s after backend start]
2023-08-31T06:51:35.220Z discovery-log INFO start
2023-08-31T06:51:35.220Z discovery-log INFO start new deferred
2023-08-31T06:51:35.220Z root INFO Backend d.initialize: 0.3 ms [Finished 0.443 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend y.onStart: 1.6 ms [Finished 0.444 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend r.configure: 1.5 ms [Finished 0.444 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend s.onStart: 0.4 ms [Finished 0.445 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend h.configure: 0.4 ms [Finished 0.446 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend a.configure: 0.3 ms [Finished 0.446 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend s.configure: 0.0 ms [Finished 0.446 s after backend start]
2023-08-31T06:51:35.220Z root INFO Backend l.configure: 0.1 ms [Finished 0.446 s after backend start]
2023-08-31T06:51:35.223Z root INFO Theia app listening on http://localhost:50813.
2023-08-31T06:51:35.223Z root INFO Finished starting backend application: 2.9 ms [Finished 0.449 s after backend start]
2023-08-31T06:51:35.224Z root WARN The local plugin referenced by local-dir:/c%3A/Users/majhi/.arduinoIDE/plugins does not exist.
2023-08-31T06:51:35.224Z root WARN The local plugin referenced by local-dir:/c%3A/Users/majhi/.arduinoIDE/extensions does not exist.
2023-08-31T06:51:35.224Z root WARN The local plugin referenced by local-dir:C:\Users\majhi\.arduinoIDE\plugins does not exist.
Restoring workspace roots: c:\Users\majhi\Dropbox\Apps\ArduinoDroid\mine\mood_lighting\mood_lighting_3\mood_lighting_3.ino
isTempSketch: false. Input was c:\Users\majhi\Dropbox\Apps\ArduinoDroid\mine\mood_lighting\mood_lighting_3\mood_lighting_3.ino
2023-08-31T06:51:35.344Z config INFO Loaded CLI configuration: {"board_manager":{"additional_urls":[]},"build_cache":{"compilations_before_purge":10,"ttl":"720h0m0s"},"daemon":{"port":"50051"},"directories":{"data":"C:\\Users\\majhi\\AppData\\Local\\Arduino15","downloads":"C:\\Users\\majhi\\AppData\\Local\\Arduino15\\staging","user":"D:\\Documents\\Arduino"},"library":{"enable_unsafe_install":false},"logging":{"file":"","format":"text","level":"info"},"metrics":{"addr":":9090","enabled":true},"output":{"no_color":false},"sketch":{"always_export_binaries":false},"updater":{"enable_notification":true}}
2023-08-31T06:51:35.345Z config INFO 'directories.data' and 'directories.user' are set in the CLI configuration model.
2023-08-31T06:51:35.346Z config INFO Loaded the CLI configuration.
2023-08-31T06:51:35.354Z config INFO Mapped the CLI configuration: {"dataDirUri":"file:///c%3A/Users/majhi/AppData/Local/Arduino15","sketchDirUri":"file:///d%3A/Documents/Arduino","additionalUrls":[],"network":"none","locale":"en"}
2023-08-31T06:51:35.355Z config INFO Validating the CLI configuration...
2023-08-31T06:51:35.355Z config INFO The CLI config is valid.
2023-08-31T06:51:35.355Z config INFO <<< Initialized the CLI configuration.
2023-08-31T06:51:35.363Z root INFO Resolve plugins list: 144.4 ms [Finished 0.589 s after backend start]
2023-08-31T06:51:35.419Z daemon INFO time="2023-08-31T08:51:35+02:00" level=info msg="Using config file: c:\\Users\\majhi\\.arduinoIDE\\arduino-cli.yaml"
time="2023-08-31T08:51:35+02:00" level=info msg="arduino-cli.exe version 0.34.0"
time="2023-08-31T08:51:35+02:00" level=info msg="Executing `arduino-cli daemon`"
Daemon is now listening on 127.0.0.1:50814
{"IP":"127.0.0.1","Port":"50814"}
2023-08-31T06:51:35.419Z daemon INFO Daemon is running.
2023-08-31T06:51:35.872Z daemon INFO time="2023-08-31T08:51:35+02:00" level=info msg="Checking signature" index="C:\\Users\\majhi\\AppData\\Local\\Arduino15\\package_index.json" signatureFile="C:\\Users\\majhi\\AppData\\Local\\Arduino15\\package_index.json.sig" trusted=true
time="2023-08-31T08:51:35+02:00" level=info msg="Loading hardware from: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages"
time="2023-08-31T08:51:35+02:00" level=info msg="Loading package arduino from: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware"
time="2023-08-31T08:51:35+02:00" level=info msg="Missing signature file" index="C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\avr\\1.8.6\\installed.json"
time="2023-08-31T08:51:35+02:00" level=info msg="Adding monitor tool" protocol=serial tool="builtin:serial-monitor"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded platform" platform="arduino:avr@1.8.6"
time="2023-08-31T08:51:35+02:00" level=info msg="Checking existence of 'tools' path: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\arduino\\tools"
time="2023-08-31T08:51:35+02:00" level=info msg="Loading tools from dir: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\arduino\\tools"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="arduino:arduinoOTA@1.3.0"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="arduino:avr-gcc@7.3.0-atmel3.6.1-arduino7"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="arduino:avrdude@6.3.0-arduino17"
time="2023-08-31T08:51:35+02:00" level=info msg="Loading package builtin from: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\builtin"
time="2023-08-31T08:51:35+02:00" level=info msg="Checking existence of 'tools' path: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2023-08-31T08:51:35+02:00" level=info msg="Loading tools from dir: C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\builtin\\tools"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:ctags@5.8-arduino11"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:dfu-discovery@0.1.2"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.6"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.8"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:mdns-discovery@1.0.9"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.3.3"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:serial-discovery@1.4.0"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.12.0"
time="2023-08-31T08:51:35+02:00" level=info msg="Loaded tool" tool="builtin:serial-monitor@0.13.0"
time="2023-08-31T08:51:35+02:00" level=info msg="Adding libraries dir" dir="C:\\Users\\majhi\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\avr\\1.8.6\\libraries" location=platform
time="2023-08-31T08:51:35+02:00" level=info msg="Loading libraries index file" index="C:\\Users\\majhi\\AppData\\Local\\Arduino15\\library_index.json"
time="2023-08-31T08:51:35+02:00" level=info msg="Adding libraries dir" dir="C:\\Users\\majhi\\AppData\\Local\\Arduino15\\libraries" location=ide
time="2023-08-31T08:51:35+02:00" level=info msg="Adding libraries dir" dir="D:\\Documents\\Arduino\\libraries" location=user
2023-08-31T06:51:36.212Z discovery-log INFO start request start watch
2023-08-31T06:51:36.213Z discovery-log INFO start requested start watch
2023-08-31T06:51:36.214Z discovery-log INFO start resolved watching
2023-08-31T06:51:36.539Z daemon INFO time="2023-08-31T08:51:36+02:00" level=info msg="starting discovery builtin:mdns-discovery process"
time="2023-08-31T08:51:36+02:00" level=info msg="starting discovery builtin:serial-discovery process"
time="2023-08-31T08:51:36+02:00" level=info msg="started discovery builtin:serial-discovery process"
time="2023-08-31T08:51:36+02:00" level=info msg="sending command HELLO 1 \"arduino-cli 0.34.0\" to discovery builtin:serial-discovery"
time="2023-08-31T08:51:36+02:00" level=info msg="from discovery builtin:serial-discovery received message type: hello, message: OK, protocol version: 1"
time="2023-08-31T08:51:36+02:00" level=info msg="sending command START_SYNC to discovery builtin:serial-discovery"
time="2023-08-31T08:51:36+02:00" level=info msg="from discovery builtin:serial-discovery received message type: start_sync, message: OK"
time="2023-08-31T08:51:36+02:00" level=info msg="from discovery builtin:serial-discovery received message type: add, port: COM1"
time="2023-08-31T08:51:36+02:00" level=info msg="started discovery builtin:mdns-discovery process"
time="2023-08-31T08:51:36+02:00" level=info msg="sending command HELLO 1 \"arduino-cli 0.34.0\" to discovery builtin:mdns-discovery"
time="2023-08-31T08:51:36+02:00" level=info msg="from discovery builtin:mdns-discovery received message type: hello, message: OK, protocol version: 1"
time="2023-08-31T08:51:36+02:00" level=info msg="sending command START_SYNC to discovery builtin:mdns-discovery"
time="2023-08-31T08:51:36+02:00" level=info msg="from discovery builtin:mdns-discovery received message type: start_sync, message: OK"
2023-08-31T06:51:36.541Z discovery-log INFO {"eventType":"add","port":{"matchingBoardsList":[],"port":{"address":"COM1","label":"COM1","protocol":"serial","protocolLabel":"Serial Port","propertiesMap":[],"hardwareId":""}},"error":""}
2023-08-31T06:51:40.789Z root INFO Deploy plugins list: 144.4 ms [Finished 6.015 s after backend start]
Opening channel for service path '/services/electron-window'.
Opening channel for service path '/services/ide-updater'.
[2440:0831/085334.908:ERROR:gpu_init.cc(523)] Passthrough is not supported, GL is disabled, ANGLE is
