[Rspamd-Users] Rspamd 2.2 has been released

[Vsevolod Stakhov]

We have released Rspamd 2.2 today.

This release contains some new features and many bug fixes. There are no
incompatible changes introduced with this release to our best knowledge.

This release includes the following features and important fixes.


Added virustotal support

Rspamd now supports Virustotal as an Antivirus plugin. You need to
obtain API key to use this service. All normal antivirus module
operations are applicable to this plugin.


Clickhouse collection rework

Rspamd now does Clickhouse data collection in a separate perioric event.
It allows to do collections based on time, number of rows (as
previously) or on amount of memory used. More details are in the GitHub
issue.


ASAN builds

Rspamd packages have now ASAN branches to help debugging issues with
Rspamd and provide better feedback for the developers. The details about
ASAN builds are covered in this FAQ section.


Faster base64 decoding

We have applied number of optimizations to improve the performance of
base64 decoding on the modern hardware (especially with AVX2 and/or
SSE4.2 support).


Fast unicode validation library

Rspamd now uses number of techniques to improve utf8 validation by
utilising modern CPU instructions, such as AVX2 and SSE4. This code is
based on the work from Yibo Cai and achieves around 0.5 CPU cycles per
byte speed when using AVX2 codec.


Upstreams fixes

There are number of significant improvements in the upstreams library of
Rspamd. Specifically, that includes better consistent hashing, better
upstreams marking logic and improved logging.


Build system rework

The CMake based build system has been reworked to use more modern design
practices provided by newer CMake versions (Rspamd now requires CMake
3.9 as minimum). New build system should improve multiple configurations
support and simplify CMake build files.


Full list of the meaningful changes

-   [Conf] Antivirus: Fix the default config
-   [Feature] Add verdict library in lua
-   [Feature] Allow exception when choosing upstream
-   [Feature] Allow to disable symbols from the metric config
-   [Feature] Allow to limit maps per specific worker
-   [Feature] Always validate Rspamd protocol output
-   [Feature] Antivirus: Add preliminary virustotal support
-   [Feature] Clickhouse: Rework Clickhouse collection logic
-   [Feature] Improve base64 usage
-   [Feature] Shutdown timeout is now associated with task timeout
-   [Fix] #3129 Multiple classifiers on redis working incorrectly
-   [Fix] Allow real upstreams configuration
-   [Fix] Another try to fix slow callbacks and timers
-   [Fix] Check results of write message as SSL can bork them
-   [Fix] Clickhouse: Avoid potential races in collection
-   [Fix] Clickhouse: Fix periodic script
-   [Fix] Fail DNS upstream on each retransmit attempt
-   [Fix] Fix consistent hashing when upstreams are marked inactive
-   [Fix] Fix issues found
-   [Fix] Fix off-by-one in retries for the proxy
-   [Fix] Fix termination
-   [Fix] Fix upstreams exclusion logic
-   [Fix] Fix utf8 validation for symbols options and empty strings
-   [Fix] Oops, fix maps reload
-   [Fix] Rbl: Allow utf8 lookups for IDN domains
-   [Fix] Sigh, another try to fix brain-damaged openssl
-   [Project] Add fast utf8 validation library
-   [Project] Use own utf8 validation instead of glib
-   [Rework] Another phase of finish actions rework
-   [Rework] Further cmake system rework
-   [Rework] Further isolation of the controller’s functions
-   [Rework] Make cmake structure more modular
-   [Rework] Move cmake modules to a dedicated path
-   [Rework] Replace controller functions by any scanner worker if
    needed
-   [Rework] Rework final scripts logic
-   [Rework] Rewrite rspamd_str_make_utf_valid function