News is a bit dated..... but links are still good.
You need the new version of readline as well to use this.
The first public release of bash-3.0 is now available with the URLsftp://ftp.cwru.edu/pub/bash/bash-3.0.tar.gzftp://ftp.gnu.org/pub/gnu/bash/bash-3.0.tar.gz
and from the usual GNU mirror sites.
This tar file does not include the formatted documentation
(postscript, dvi, html, and nroffed versions of the manual pages);
that may be retrieved with the URLsftp://ftp.cwru.edu/pub/bash/bash-doc-3.0.tar.gzftp://ftp.gnu.org/pub/gnu/bash/bash-doc-3.0.tar.gz
When unpacking the documentation, make sure to extract the tar file
in the bash-3.0 source directory.
Diffs from bash-2.05b are available with the URLsftp://ftp.cwru.edu/pub/bash/bash-2.05b-3.0.diff.gzftp://ftp.gnu.org/pub/gnu/bash/bash-2.05b-3.0.diff.gz
Make sure to apply the diffs using `patch -p1' from within a
patched bash-2.05b source directory.
Please use `bashbug' to report bugs with this version. It is built
and installed at the same time as bash.