Release Notes: Many portability improvements have been made. A bug in gzclose_w() when gzwrite() failed to allocate memory has been fixed. Support for "x" (O_EXCL) and "e" (O_CLOEXEC) modes has been added to gzopen(). A type mismatch between get_crc_table() and crc_table has been fixed. Many other changes have been made.
Release Notes: Many minor bugfixes and enhancements were made.