LyX allows users without programming skills to enjoy the full benefits of LaTeX. It is different from TeTeX in that one does not need to know any code. Instead, one can simply mark any text as a footnote or chapter heading and then hit the PDF button for a perfectly formatted output.
Version 2.3.4.2:
This is an emergency release that fixes four bugs in 2.3.4. Only the first two really warrant an emergency release, but while we're at it...