40.4 - December 16, 2021
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 * Fix crash when clearing all passwords (#1570)
 * Fix security indicator disappearing after entering reader mode (#1580)
 * Fix crash opening PDFs not loaded via HTTP (#1611)
 * Fix CVE-2021-45085, CVE-2021-45086, CVE-2021-45087, CVE-2021-45088 (#1612)
 * Fix web applications with non-Latin characters (#1626, #1627)
 * Disable captive portal helper in Pantheon desktop (!1006, Cassidy James Blaede)
 * Somewhat improve password manager robustness (!1014)