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Ignore IME keydown events in the Rooster iframe bridge

Status: Open.

#539 In ProtonMail/WebClients;

· squarepots opened on Sep 7, 2026

Avoid refocusing an already-focused Rooster editor on click

Status: Open.

#537 In ProtonMail/WebClients;

· squarepots opened on Sep 7, 2026

Dispose Rooster editor initialized after unmount

Status: Open.

#535 In ProtonMail/WebClients;

· squarepots opened on Sep 7, 2026

Proton serves Official App-specific Edition to Third Party Apps

Status: Open.

#532 In ProtonMail/WebClients;

· Akkitto opened on Sep 2, 2026

Proton Mail desktop crashes at startup: EXCEPTION_ACCESS_VIOLATION at Proton Mail.exe+0x2c730ca on Windows 11 24H2

Status: Open.

#528 In ProtonMail/WebClients;

· xyz-rainbow opened on Aug 7, 2026

Dark theme: what should the message container do when the email itself has a dark background?

Status: Open.

#526 In ProtonMail/WebClients;

· HoodieYlya13 opened on Aug 4, 2026

[Security] Lumo HtmlPreviewPanel message listener missing origin/source check - UI spoofing

Status: Open.

#524 In ProtonMail/WebClients;

· Ra-inskyy opened on Aug 1, 2026

[Security] SSO token + UID posted to window.opener without targetOrigin (session takeover)

Status: Open.

#522 In ProtonMail/WebClients;

· Ra-inskyy opened on Aug 1, 2026

[Security] CSS url() in <style> tags survives email sanitization - open tracking + IP leak bypassing image proxy

Status: Open.

#523 In ProtonMail/WebClients;

· Ra-inskyy opened on Aug 1, 2026

Rendering and Layout Issues with Forwarded Emails (e.g., from GMX), Am I the only one?

Status: Open.

#521 In ProtonMail/WebClients;

· Jakob-Schn opened on Jul 19, 2026

Question about Spanish localization (es-ES vs es-419)

Status: Open.

#519 In ProtonMail/WebClients;

· Munetios opened on Jul 19, 2026

Autofill does not detect Authentik login fields (inputs inside shadow DOM)

Status: Open.

#516 In ProtonMail/WebClients;

· arclabch opened on Jun 22, 2026