* irc: build dynamically the list of CTCPs supported in reply to "CTCP CLIENTINFO" (issue #1974)
* irc: remove Git revision and compilation date from CTCP VERSION reply (issue #1974)
* irc: remove default CTCP replies FINGER and USERINFO (issue #1974)
+ * irc, xfer: add support of passive DCC (issue #2004, issue #487)
* python: make stub (weechat.pyi) compatible with Python 3.8 and 3.9 (issue #2006)
* script: allow jump to the last script with command `/script go end`
* script: allow commands `/script autoload`, `/script noautoload`, `/script toggleautoload` with scripts not present in the repository (issue #1980)