+ $ssl_verify_partial_chains permits verifying partial certificate chains.
This allows the storage of only intermediate/host certificates in the
$certificate_file. (OpenSSL 1.0.2b and newer only)
! SNI support added for OpenSSL and GnuTLS.
+ Choice and confirmation prompts can now wrap across multiple lines.
+ Window resizes are handled while in the line editor.
+ "color compose" can color the compose menu header fields and the
security status. See "Using Color and Mono Video Attributes" in the
manual for more details.
+ Setting $header_color_partial allows partial coloring of headers in the
pager. This can be used to color just the header labels, or strings
inside the headers. hdrdefault controls the color of the unmatched part.
+ When $history_remove_dups is set, duplicates in the history ring will
be scanned and removed each time a new entry is added.
! IMAP header downloading was improved to support out-of-order and
missing MSN entries.
! $message_cache_clean should be faster for large mailboxes.
+ Self-encryption can be enabled using the $pgp_self_encrypt,
$pgp_self_encrypt_as, $smime_self_encrypt, and $smime_self_encrypt_as
options.
! $postpone_encrypt now will use the $pgp_self_encrypt_as or
$smime_self_encrypt_as option values first. $postpone_encrypt_as will
be checked second, but should be considered deprecated.
+ $forward_attribution_intro and $forward_attribution_trailer can be used
to customize the message preceding and following a forwarded message.
+ The ~<() and ~>() pattern operators match messages whose immediate parent,
or immediate children respectively, match the subpattern inside ().
They are more specific versions of the ~() pattern operator.
+ $imap_poll_timeout allow IMAP mailbox polling to time out. This defaults
to 15 seconds.
+ The attachment menu now supports nested encryption. This allows
attachments in nested encrypted messages to be saved or operated on.
+ $mime_type_query_command specifies a command to run to determine
a new attachment's mime type. When $mime_type_query_first is set,
this command will be run before looking at the mime.types file.
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