# Changes in TIFF v4.6.0t

References
Current Version | v4.6.0t
Previous Version | v4.6.0
Master Download Site | http://www.libtiff.org/downloads/

This document provides a summary of significant changes made to the software between the previous and current versions (see above). A fully-detailed change summary is provided by the `ChangeLog` file included in the release package and by the Git commit history:

## Major changes

> This version fixes and restores all utilities and tool features that were removed or made unsupported in v4.6.0.

## Minor changes

- Fix some build warnings and other build issues.

- Fix basic handling of some problematic TIFF input.

- Fix some documentation problems.

- Fix tiff2pdf OJPEG positioning and rendering problems.

- Fix fax2tiff output of extra row on EOFB.

- Fix tiff2pdf swapping of red and blue on RGB input.

- Fix memory leak on some G3/G4 input.

- Fix tiff2pdf from producing some broken PDFs.

- Correct rare operational mistake by TIFFFieldInfo.

- Avoid memory leak in TIFFCreateDirectory.

- Fix TIFFSetField from sometimes overwriting the last character.

- Fix some issues in library found through fuzzing.

- Fix a performance regression.

- Prevent some out-of-memory attacks.

- More…