Startup failure since last update

[akallabeth]

I can no longer use element on my debian 11 machine from flathub:

 flatpak run im.riot.Riot 
[2 preload-host-spawn-strategy] Running: /app/bin/zypak-helper child - /app/Element/element-desktop --type=zygote
/home/nin/.var/app/im.riot.Riot/config/Element exists: yes
/home/nin/.var/app/im.riot.Riot/config/Riot exists: yes
Gtk-Message: 15:21:03.857: Failed to load module "canberra-gtk-module"
Gtk-Message: 15:21:03.857: Failed to load module "canberra-gtk-module"
Starting auto update with base URL: https://packages.element.io/desktop/update/
Auto update not supported on this platform
Fetching translation json for locale: en_EN
Changing application language to en-us
Fetching translation json for locale: en-us
Could not fetch translation json for locale: 'en-us' Error: Cannot find module './i18n/strings/en-us.json'
Require stack:
- /app/Element/resources/app.asar/lib/language-helper.js
- /app/Element/resources/app.asar/lib/tray.js
- /app/Element/resources/app.asar/lib/electron-main.js
- 
    at Module._resolveFilename (internal/modules/cjs/loader.js:887:15)
    at Function.n._resolveFilename (electron/js2c/browser_init.js:257:1128)
    at Module._load (internal/modules/cjs/loader.js:732:27)
    at Function.f._load (electron/js2c/asar_bundle.js:5:12913)
    at Module.require (internal/modules/cjs/loader.js:959:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at AppLocalization.fetchTranslationJson (/app/Element/resources/app.asar/lib/language-helper.js:76:20)
    at /app/Element/resources/app.asar/lib/language-helper.js:89:39
    at Array.forEach (<anonymous>)
    at AppLocalization.setAppLocale (/app/Element/resources/app.asar/lib/language-helper.js:88:17) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/app/Element/resources/app.asar/lib/language-helper.js',
    '/app/Element/resources/app.asar/lib/tray.js',
    '/app/Element/resources/app.asar/lib/electron-main.js',
    undefined
  ]
}
Resetting the UI components after locale change
Resetting the UI components after locale change
libva error: vaGetDriverNameByIndex() failed with unknown libva error, driver_name = (null)
Changing application language to en-us
Fetching translation json for locale: en-us
Could not fetch translation json for locale: 'en-us' Error: Cannot find module './i18n/strings/en-us.json'
Require stack:
- /app/Element/resources/app.asar/lib/language-helper.js
- /app/Element/resources/app.asar/lib/tray.js
- /app/Element/resources/app.asar/lib/electron-main.js
- 
    at Module._resolveFilename (internal/modules/cjs/loader.js:887:15)
    at Function.n._resolveFilename (electron/js2c/browser_init.js:257:1128)
    at Module._load (internal/modules/cjs/loader.js:732:27)
    at Function.f._load (electron/js2c/asar_bundle.js:5:12913)
    at Module.require (internal/modules/cjs/loader.js:959:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at AppLocalization.fetchTranslationJson (/app/Element/resources/app.asar/lib/language-helper.js:76:20)
    at /app/Element/resources/app.asar/lib/language-helper.js:89:39
    at Array.forEach (<anonymous>)
    at AppLocalization.setAppLocale (/app/Element/resources/app.asar/lib/language-helper.js:88:17) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/app/Element/resources/app.asar/lib/language-helper.js',
    '/app/Element/resources/app.asar/lib/tray.js',
    '/app/Element/resources/app.asar/lib/electron-main.js',
    undefined
  ]
}
Resetting the UI components after locale change

1. This happens also on newly created user accounts (tested to rule out some configuration problem)
2. The element fork SchildiChatdoes run on the same machine without this glitch.
   

[3699n]

I'm experiencing the same issue.

[akallabeth]

It may be related to this issue I´ve found: flatpak/flatpak#4559

[3699n]

As far as I am aware, it is these issues vector-im/element-web#19169, vector-im/element-desktop#871, and vector-im/element-web#19153

[akallabeth]

@3699n oh. I´ve just experienced a few flatpak apps failing network due to the aforementioned bug and thought it might be related (since this one also uses the affected runtime)

[ecocode]

This same bug happened to me since a few weeks on fedora34. Upgraded to fedora35 today hoping it might get solved, but it didn't.
This only happens on wayland and starting Element using:
flatpak run im.riot.Riot --enable-features=UseOzonePlatform --ozone-platform=wayland
Element starts correctly when using (this actually starts Element in Xwayland mode)
flatpak run im.riot.Riot

I tried uninstalling all flatpaks and reinstalling, without success.
What could be wrong?