PEAR 1.4.7 have been released with many minor bug fixes, a recommanded to upgrade version and the most stable version of PEAR yet released. The change log of this release :

* Prevent packaging of release candidate releases with versions like 1.0.0rc1
version_compare() only understands upper-case 1.0.0RC1
* implement CLEAN section in .phpt tests
* implement run-tests command for phpunit-based tests
* implement Request #6039: setFrontendObject needed to allow objects passed
* fix Bug #6075: unnecessary validation of maintainers can break PEAR_PFM
* fix Bug #6076: optional is not set for conversion of package2.xml to "has" rel
* fix Bug #6077: PEAR_PackageFile_Parser_v2 should return by reference
* fix Bug #6273: pear download-all fails
* fix Bug #6383: incomplete PEAR::Error message on addReplacement()
* fix Bug #6445: PEAR::registerShutdownFunc doesn't work in static calls
* fix Bug #6480: pear install --installroot option fails for pecl packages [timj]
* fix Bug #6510: status active of a maintainer cannot be change
* fix Bug #6537: wrong export compatible v1 dependencies list with exclude limit
* fix Bug #6559: pear should ignore safemode/open_basedir
* fix Bug #6576: PFM2 run in trouble with sessions
* fix Bug #6579: PFM2 changelog and license with uri
* fix Bug #6673: pear install --offline --packagingroot=/blah does not work
* fix Bug #6674: --packagingroot always uses channel pear.php.net configuration
* fix Bug #6675: postinstallscript validation fails
* fix Bug #6690: channel with / will not allow upgrade
* fix Bug #6692: Optional feature install message needs channel name
* fix Bug #6716: "pear install -r" errors after install when attempting "pear list "
* fix Bug #6735: PEAR_PackageFile::fromTgzFile doesn't work with package.xml not in root dir