Release Notes: More extrensive documentation, ./configure fixes, caching and processing speedups, several bugfixes, and new macros.
Release Notes: Many bugfixes, new macros, improved robustness, and better documentation.
Release Notes: This version includes 2 years of accumulated improvements and bugfixes. While almost every line of code has been touched since version 2.13, Autoconf 2.50 aims to be backward compatible for well-written configure.in scripts.
Release Notes: Bugfixes and cleanups; this is the release candidate for 2.50.
Release Notes: This is a bugfix release.
Release Notes: Numerous bugs and portability issues have been fixed, and the testsuite has been improved.
Release Notes: Almost every line of code has been touched. While this version aims to be fully backwards compatible, the internal implementation has gone through a major rewrite. Support for C++ and Fortran 77 has been improved. Environment variables on the commend line are now recognized. Cache file is now disabled by default. Significant improvements in the documentation have been made.