ChangeLog/1.9.0

ZNC 1.9.0

New

Update password hashing algorithm from SHA-256 to Argon2id (if libargon2 is installed). Existing passwords are transparently upgraded upon login. (#1879)
Support for capability negotiation 3.2 and cap-notify. ZNC now has API, using which modules can easily implement new capabilities: if server supports a cap, it will automatically be offered to clients which support cap-notify and ZNC will notify the module when the capability is enabled or disabled for server and for each client. (#1859)
Add support for cap account-tag (#1746)
New User Options: DenySetIdent, DenySetNetwork, DenySetRealName, DenySetQuitMsg, DenySetCTCPReplies (#1814)
Switch --makeconf wizard default network from freenode to Libera
znc-buildmod: output where the module was written to

Don't send invalid 333 (RPL_TOPICWHOTIME) to client if topic owner is unknown (#1889)
Fix build with SWIG 4.2.0, drop support for SWIG < 4.0.1
Fix handling of timezones when parsing server-time tags received from server (#1857) (#1773)
Don't crash when receiving SASL lines from server without having negotiated SASL via CAP
Use module names as the module ident, otherwise some clients were merging conversations with different modules together. (#1874)
Fix an ODR violation (#1835)

modpython: Rewrite how modpython loads modules from imp to importlib: this adds support for Python 3.12, but bumps the minimum supported python version to 3.4. Also now it's possible to structure the module as a python package (a subdirectory with __init__.py and other .py files), however it no longer supports loading a C python extension through modpython - just write the module on C++ in such case instead of python, or use the __init__.py format and implement some of the files in C. (#1724)
log: Add account to joins for the log module. (#1870)
clientnotify: Add options to reduce amount of notifications depending on the IP and the client ID of the connecting client (#1843)
modpython: Implement Module.AddCommand() (#1832)
webadmin: Fix order of breadcrumbs in network page
watch: Allow new entries to use spaces (#1822)

Require C++17 compiler. That is, GCC 8+ or Clang 5+. (#1887)
Remove autoconf, leave only CMake as the build system. The configure script is now merely a wrapper for CMake, and accepts mostly the same parameters as the old configure. Minimum supported CMake version is 3.13.
cctz
libargon2
python
swig

Document more functions.
Use steady clock for cache map and for sockets to fix certain issues with leap seconds and DST
Modernized the way how CMake is used
Make some integration tests run faster by changing ServerThrottle value
Setup Github Actions to replace old Travis CI setup
Added CIFuzz (#1845)
Added CodeQL (#1846)
Various fixes to CI
Generate list of translators automatically from Crowdin
Update default SSL settings from Mozilla recommmendations
Rewrite message parsing using std::string_view, improving the performance of the parser (#1785)
Make CUser::Put* send to all clients instead of only networkless clients. Deprecate CUser::PutAllUser()