* Various improvements when setting up an account for a Microsoft
Exchange server: Now offers IMAP/SMTP if available, better
detection for Office 365 accounts; re-run configuration after
password change
Fixes:
* After changing view layout, the message display pane showed
garbled content under some circumstances
* Various theme changes to achieve "pixel perfection": Unread icon,
"no results" icon, paragraph format and font selector, background
of folder summary tooltip
* Tags were lost on messages in shared IMAP folders under some
circumstances
* Calendar: Event attendee dialog was not displayed correctly
MFSA 2020-04 (bsc#1160498)
* CVE-2019-17026 (bmo#1607443)
IonMonkey type confusion with StoreElementHole and FallibleStoreElement
* CVE-2019-17015 (bmo#1599005)
Memory corruption in parent process during new content process
initialization on Windows
* CVE-2019-17016 (bmo#1599181)
Bypass of @namespace CSS sanitization during pasting
* CVE-2019-17017 (bmo#1603055)
Type Confusion in XPCVariant.cpp
* CVE-2019-17021 (bmo#1599008)
Heap address disclosure in parent process during content process
initialization on Windows
* CVE-2019-17022 (bmo#1602843)
CSS sanitization does not escape HTML tags
* CVE-2019-17024 (bmo#1507180, bmo#1595470, bmo#1598605, bmo#1601826)
OBS-URL: https://build.opensuse.org/package/show/mozilla:Factory/MozillaThunderbird?expand=0&rev=512
