FreeRDP 3.22.0 has just been released and uploaded to

https://pub.freerdp.com/releases/

Major bugfix release:

• Complete overhaul of SDL client
• Introduction of new WINPR_ATTR_NODISCARD macro wrapping compiler or C language version specific [[nodiscard]] attributes
• Addition of WINPR_ATTR_NODISCARD to (some) public API functions so usage errors are producing warnings now
• Add some more stringify functions for logging
• We’ve received CVE reports, check https://github.com/FreeRDP/FreeRDP/security/advisories for more details!
  • @Keryer reported an issue affecting client and proxy:
    • CVE-2026-23948
  • @ehdgks0627 did some more fuzzying and found quite a number of client side bugs.
    • CVE-2026-24682
    • CVE-2026-24683
    • CVE-2026-24676
    • CVE-2026-24677
    • CVE-2026-24678
    • CVE-2026-24684
    • CVE-2026-24679
    • CVE-2026-24681
    • CVE-2026-24675
    • CVE-2026-24491
    • CVE-2026-24680

What’s Changed

• [core,info] fix missing NULL check (#12157)
• [gateway,tsg] fix TSG_PACKET_RESPONSE parsing (#12161)
• Allow querying auth identity with kerberos when running as a server (#12162)
• Sspi krb heimdal (#12163)
• Tsg fix idleTimeout parsing (#12167)
• [channels,smartcard] revert 649f7deee4e32ecedf0dcdfe571e54134b5be81e (#12166)
• [crypto] deprecate er and der modules (#12170)
• [channels,rdpei] lock full update, not only parts (#12175)
• [winpr,platform] add WINPR_ATTR_NODISCARD macro (#12178)
• Wlog cleanup (#12179)
• new stringify functions & touch API defines (#12180)
• Add support for querying SECPKG_ATTR_PACKAGE_INFO to NTLM and Kerberos (#12171)
• [channels,video] measure times in ns (#12184)
• [utils] Nodiscard (#12187)
• Error handling fixes (#12186)
• [channels,drdynvc] check pointer before reset (#12189)
• Winpr api def (#12190)
• [winpr,platform] drop C23 [[nodiscard]] (#12192)
• [gdi] add additional checks for a valid rdpGdi (#12194)
• Sdl3 high dpiv2 (#12173)
• peer: Disconnect if Logon() returned FALSE (#12196)
• [channels,rdpecam] fix PROPERTY_DESCRIPTION parsing (#12197)
• [channel,rdpsnd] only clean up thread before free (#12199)
• [channels,rdpei] add RDPINPUT_CONTACT_FLAG_UP (#12195)

For a complete and detailed change log since the last release run: git log 3.22.0…3.21.0