Fontconfig version 2.4 release notes

2006-9-9

Fontconfig version 2.4 is API and ABI compatible with the 2.3 release, although some significant internal restructuring has occurred.

Major changes from the 2.3 series:

• Shared mmap'ed cache files. All font cache files are mapped read-only and shared across multiple processes. Startup performance and memory footprint of the library have, as a result, been significantly improved.
• Configuration split into multiple files. While 2.3 provided the ability to incorporate additional configuration files from a directory, it didn't use them extensively. The new configuration structure places most of the configuration into separate files and provides conventions for naming them that are designed to permit user and distribution customization of the library without needing to edit the master config file.
• Eliminate internal symbols from shared library symbol table. The shared library now exports precisely the list of symbols present in the public header files. Use of private symbols, always unsupported, will now result in failure to link and run.

Thanks to all who have made this release possible, especially Patrick Lam who built the shared cache file code and performed most of the maintenance over the last year.

Keith Packard 2006-9-9

2.4 release notes (last edited 2006-09-10 05:32:18 by KeithPackard)

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