Hi, thanks for bringing this up.  This is by design, here is the rational...

•  It was brought to our attention that the signing date feature may lead to inaccuracies
• The printed signing dated may not be the date the document is actually signed.
• The tax analysts met to discuss this and determined that to avoid any confusion, the signing date will not print
• The implementation started with ProFile version 2023.0.0
• Some frequently used forms like the T183 had the implementation enacted for  prior years