All branches FTBFS with Thunderbird 68.10.0-1~deb10u1
07:28:57 patching file chrome/messenger/content/messenger/accountcreation/readFromXML.js 07:28:57 patching file chrome/messenger/content/messenger/accountcreation/exchangeAutoDiscover.js 07:28:57 Hunk #1 FAILED at 127. 07:28:57 1 out of 1 hunk FAILED -- saving rejects to file chrome/messenger/content/messenger/accountcreation/exchangeAutoDiscover.js.rej 07:28:57 E: config/chroot_local-hooks/11-patch-thunderbird failed (exit non-zero). You should check for errors.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information