[ANNOUCE] Libical v3.0.18

[winterz]

Announcing Libical 3.0.18. This is the 18th bugfix release for Libical 3.0.
This release is binary and source compatible with version 3.0.0.
(Note that the libical-glib library is considered unstable; therefore may not be binary compatible with previous releases.)

Highlights of this Release:

• Requires CMake v3.5.0 or higher
• Escape ^ (U+005E) character in parameter values according to RFC 6868
• New CMake option LIBICAL_BUILD_EXAMPLES to disable building the examples
• Should be able to use the project as a submodule
• Built-in timezones updated to tzdata2024a

The source code can be found on GitHub at: https://github.com/libical/libical

Tarballs and zipballs for v3.0.18 are available from: https://github.com/libical/libical/releases

"Libical is an Open Source implementation of the iCalendar protocols and protocol data units.
The iCalendar specification describes how calendar clients can communicate with calendar
servers so users can store their calendar data and arrange meetings with other users."

Libical implements:

RFC5545, RFC5546, RFC7529
the CalDav scheduling extensions in RFC6638
iCalendar extensions in RFC7986
plus the iCalendar iMIP protocol in RFC6047.

For more information about Libical, please visit http://libical.github.io/libical/