Here's the changelog:
Release 1.0.18 (12 July 2011):
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New features:
8654 Support for right-to-left languages
8989 Add configuration options to enable/disable RPL for courses and module types
8654 Add Hebrew language pack to Totara
Improvements:
8973 Hidden courses are now dimmed in Report Builder reports
8996 Add signup status column to Face-to-face reports
8343 Added more protocols to TinyMCE url checker Now links to protocols such as skype: or meet: will be made into links correctly
8445 Use constant rather than hardcoded separator in Face-to-face
8485 Updates to Finnish language pack
Bug fixes:
8984 Due dates decrement when updating settings in Learning Plans Only for certain timezone settings
8996 Cancelled sessions appear in Face-to-face reports
8979 Language selection box on language editing page can't be clicked
6710 Missing languages strings in dialogs
8995 Parameter missing from Face-to-face breadcrumbs Links pointed to the wrong page
8654 IE6 top navigation breaks for RTL languages
8987 Code warning on Certificate report page
8983 Exported books cached in Book module Only affected certain server setups
5734 Remove some Moodle 2.0 code from Course Completion
6710 Missing language string in Book module