The keys used are:
!: modified feature, -: deleted feature, +: new feature
+1.5.24 (unreleased):
+
+ + terminal status-line (TS) support, a.k.a. xterm title. see the
+ following variables: $ts_enabled, $ts_icon_format, $ts_status_format
+ ! $ssl_use_sslv3 is disabled by default.
+ ! command-line arguments: -H now combines template and command-line
+ address arguments.
+ ! GnuPG signature name is set to signature.asc
+ + New color object "prompt" added.
+ + Ability to encrypt postponed messages. See $postpone_encrypt and
+ $postpone_encrypt_as.
+ ! History ring now has a scratch buffer.
+ ! mail-key is implemented for GPGME. (Requires a recent GPGME).
+ ! Removed GPG_AGENT_INFO check for GnuPG 2.1 compatibility. Please
+ set pgp_use_gpg_agent if using GnuPG 2.1 or later.
+ ! $smime_encrypt_with now defaults to aes256.
+ ! GnuPG fingerprints are used internally when possible.
+ "--with-fingerprint" should be added to $pgp_list_pubring_command and
+ $pgp_list_secring_command to enable this. Please see contrib/gpg.rc.
+ Fingerprints may also be used at the prompts for key selection.
+ + $crypt_opportunistic_encrypt automatically enables/disables encryption
+ based on message recipients.
+ ! Attachments for unencrypted emails may be deleted.
+ ! Multiple crypt-hooks may be defined for the same regexp.
+ This means multiple keys may be used for a recipient.
+ + $crypt_confirmhook allows the confirmation prompt for crypt-hooks to
+ be disabled.
+ + $ssl_ciphers allows the SSL ciphers to be directly set.
+ ! sime_keys better handles importing certificate chains.
+ ! sime_keys now records certificate purposes (sign/encrypt). Run
+ "sime_keys refresh" to update smime index files.
+
1.5.23 (2014-03-11):
! FCC is now preserved when postponing a message.
! Mail-Followup-To is now preserved when recalling a postponed message.
! Allow filename prompt when saving multiple attachments to a directory.
- + terminal status-line (TS) support, a.k.a. xterm title. see the
- following variables: $ts_enabled, $ts_icon_format, $ts_status_format
1.5.22 (2013-10-18):