NSIS 2.31 is released
 

NSIS 2.31 is released. This release brings further improvements and fixes of
Modern UI 2 with a side dish of various bug fixes and improvements, for no
extra charge.

Release Notes

• Please continue to report any issues and suggestions regarding Modern UI 2.
  Input for the previous version was very helpful in improving MUI2.

Changes:

Minor Changes

• Added BST_* definitions to WinMessages.nsh (bug #1792422)
• Added SetRegView lastused
• Minor documentation improvements
• Library will now revert registry view settings (SetRegView) after it's finished
• Modern UI: Fixed empty welcome page with Chinese (bug #1786899)
• Modern UI: Fixed finish button text (bug #1789492)
• Modern UI: Fixed uninstaller comportments page text (bug #1793811)
• Modern UI: Fixed unused function warnings
• Modern UI 2 beta: Fixed header bitmap issues, including NOSTRETCH and compilation errors
• Modern UI 2 beta: Fixed language selection dialog
• Modern UI 2 beta: Fixed reboot finish page
• Modern UI 2 beta: Fixed unloading of nsDialogs on finish page
• Modern UI 2 beta: Fixed unused variable warnings

Utilities and Plug-ins

• MakeNSISW: Fixed command line parsing error (bug #1796053)

Translations

• Korean corrections
• Persian improvements (patch #1776386)
• Romanian improvements (patch #1783853)

Build System

• Fixed build failures with MinGW's GCC 4 (bug #1800834)

Is there any documentation about lastused, especially for SetRegView? I guess it is an undo feature for the previous SetRegView call.

Is lastused working with a stack?

No stack. Just the last one used.