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# Viewer

## Version 2.28I-32 Release 2021.1

Security issues addressed.

## Version 2.27I-32 Release 2020.1

Memory corruption issues addressed.

Memory leaks addressed.

## Version 2.26I-32 Release 2019.1

zLib updated
Type: Enhancement Reference: 546022 Documentation Impacts: No documentation impact
Summary: The zLib library has been updated to zLib.net version 1.2.11.
Technical: zLib is used in creating and opening SFX/UFX files, and used with in Form Design.
Implementation Notes: This feature requires an upate to Forms Design, Lanyard, PDF Output Writer, I-32 Viewer.