The following (critical) fixes have been backported to this maintenance release. All users of the library are encouraged to update.

• aa951ba Update version to 0.23.3
• 173d5aa blame: guard xdiff calls for large files
• 327eddf diff: don't feed large files to xdiff
• 8f168e8 merge_file: treat large files as binary
• 5045868 xdiff: convert size variables to size_t
• f362a1b GITERR_CHECK_ALLOC_ADDn: multi-arg adders