Add libplist news

Author: nikias

content/news/2025-05-14-libplist-2.7.0-release.md

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+---
+title: libplist 2.7.0
+date: 2025-05-14 20:36 CEST
+author: https://github.com/nikias
+---
+[libplist 2.7.0](/#download-libplist) has been released.
+<!-- excerpt -->
+## Changes
+* Add `plist_new_unix_date`, `plist_get_unix_date_val`, `plist_set_unix_date_val` functions
+   that work with `int64_t` values representing a UNIX timestamp instead of
+   using the 'MAC epoch'.
+   These new functions should be used instead of `plist_new_date`,
+   `plist_get_date_val`, and `plist_set_date_val`, which are now marked deprecated
+   and might be removed in a future version of libplist.
+* Allow building the library without tool(s)
+* Switch to more generic global initializer method
+* json: Allow e+/E+ in exponent as per RFC 8259
+* C++: Add more convenience functions to the interface
+* C++: Add more type variants to different constructors and operators
+## Bugfixes:
+* Fix segmentation fault when calling `plist_sort()` on an empty dictionary
+* Fix compilation on MSVC
+* C++: Fix bug in internal helper function of Array class
+* C++: Fix String::GetValue memory leaking and support assignment of `const char*`