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Release Notes for Ext2Fsd V0.51
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Features implemented or bugfix since V0.50:

    1, FIXME: Data corruption issue, especially for multiple-thread
       writing on XP system
    2, FIXME: Set ValidDataLength only for FileEndOfFileInformation
       w/ AdvanceOnly    
    3, Support writing to ext4 volumes w/ flex_bg
    4, Code cleanup and enhancement for global/volume property settings

Supported Ext3/4 features by 0.51:

    1, flexible inode size: > 128 bytes, up to block size
    2, dir_index:    htree directory index
    3, filetype:     extra file mode in dentry
    4, large_file:   > 4G files supported
    5, sparse_super: super block backup in group descriptor
    6, uninit_bg:    fast fsck and group checksum
    7, extent:       reading, writing with no extending.
    8, journal:      only support replay for internal journal
    9, flex_bg:      first flexible metadata group

Unsupported Ext3/4 features:
    1, journal: log-based operations, external journal
    2, extent: size truncating & expanding, file deletion
    3, EA (extended attributes), ACL support

Features to be implemented in future:

    1, EXT3/4 features support (extents, journal)
    2, Documents improvement: clear and elaborate
    3, Performance improvement, code optimization
    4, Automatic check & update of new versions
    5, LVM support, e2fsprogs porting for Windows

    Since 0.38, Ext2fsd is much stable even under heavy i/o loads,
    both for reading and writing. Performance and stability are
    highly, improved especially stability. A new and strong era of
    Ext2Fsd in product shape is coming :)

WARNINGS:
 
    The driver may crash your system and ruin your data unexpectedly,
    since there might be software conflicts and I could only test it
    on some of the popular platforms. You should use it with care and
    use it at your own risk!

Matt <mattwu@163.com>
http://www.ext2fsd.com