Version 5.61, 2021.12.22, urgency: LOW

New features sponsored by the University of Maryland

• Added new "protocol = capwin" and "protocol = capwinctrl" configuration file options.

New features for the Windows platform

• Added client mode allowing authenticated users to view logs, reconfigure and terminate running stunnel services.
• Added support for multiple GUI and service instances distinguised by the location of stunnel.conf.
• Improved log window scrolling.
• Added a new 'Pause auto-scroll' GUI checkbox.
• Double click on the icon tray replaced with single click.
• OpenSSL DLLs updated to version 3.0.1.

Other new features

• Rewritten the testing framework in python (thx to Peter Pentchev for inspiration and initial framework).
• Added support for missing SSL_set_options() values.
• Updated stunnel.spec to support RHEL8.

Bugfixes

• Fixed OpenSSL 3.0 build.
• Fixed reloading configuration with "systemctl reload stunnel.service".
• Fixed incorrect messages logged for OpenSSL errors.
• Fixed printing IPv6 socket option defaults on FreeBSD.

Version 5.60, 2021.08.16, urgency: LOW

New features

• New 'sessionResume' service-level option to allow or disallow session resumption
• Added support for the new SSL_set_options() values.
• Download fresh ca-certs.pem for each new release.

Bugfixes

• Fixed 'redirect' with 'protocol'. This combination is not supported by 'smtp', 'pop3' and 'imap' protocols.
• Enforced minimum WIN32 log window size.
• Fixed support for password-protected private keys with OpenSSL 3.0 (thx to Dmitry Belyavskiy).

Version 5.59, 2021.04.05, urgency: HIGH

Security bugfixes

• OpenSSL DLLs updated to version 1.1.1k.

New features

• Client-side "protocol = ldap" support (thx to Bart Dopheide and Seth Grover).

Bugfixes

• The test suite fixed not to require external connectivity.
• Fixed paths in generated manuals (thx to Tatsuki Makino).
• Fixed configuration reload when compression is used.
• Fixed compilation with early releases of OpenSSL 1.1.1.