http://bitbucket.org/tortoisehg/stable/wiki/ReleaseNotes#tortoisehg-093

?prevent duplicate TortoiseHg context menu entries in Explorer
?refresh URLs in Repository Explorer
?support repositories in share root directories
?changelog: use file filter pattern when launching diffs
?taskbar: catch revlogerror during updates
?prevent spurious warnings about missing overlays
?handle non-ascii file names in revert confirmation dialog
?remove NULLs from UTF-8 strings being sent to GTK
?quickop: prevent AttributeError caused by 'self.abortbtn'
?prevent traceback in commit tool before initial refresh
?prevent traceback in serve tool from configuration errors
?fix traceback on match row activation in rename guess dialog
?Standardize on 'TortoiseHg' name in context menu
?About dialog will report new releases and offer a download link (Windows only)
?The timeout for ::PathIsDirectory calls has been increased, resulting in improved overlay accuracy for some users.

Installer Changes
?This release includes the mercurial_keyring extension, for caching authentication responses for HTTP(s). (#103, #854). http://tortoisehg.bitbucket.org/manual/0.9/extensions.html#mercurial-keyring
?This release includes the dulwich python library, so hg-git can run without dependencies
?This release includes the perfarce extension (command line use only, GUI support will arrive in the next feature release) http://www.kingswood-consulting.co.uk/hg/perfarce/
?Shell extension DLLs now have version numbers


メンテナさんに感謝。