BRL-CAD 7.38.2

• added "rtsurf" exterior surface area tool prototype - Sean Morrison
• updated sqlite3 to version 3.45.1 - Cliff Yapp
• updated libpng to version 1.6.43 - Cliff Yapp
• updated zlib to version 1.3.1 - Cliff Yapp
• updated and corrected dbconcat man page - Cliff Yapp
• improved ambient occlusion rt during -k cut planes - Sean Morrison
• changed rt ambient occlusion randomization default - Sean Morrison
• added ambient occlusion example to rt manual pages - Sean Morrison
• fixed rtweight output display inside MGED - Chris McGregor
• added shipping container example geometry model - Josh Baker
• added traffic light example geometry model - Chris McGregor
• improved rtwizard command-line option reporting - Sean Morrison
• added self-intersecting torus ray tracing support - Sean Morrison
• fixed rt crash rendering to -F/dev/null - Sean Morrison
• added mater man page density table example - Chris McGregor
• adjusted default ghosting intensity in rtwizard - Josh Baker
• fixed MGED command line handling of objects named 'y' - Cliff Yapp
• fix double printing of last 'search -exec' result - Chris McGregor
• improve 'search -v' to support multiple levels - Chris McGregor
• update 'search -v' to report # of objects found - Chris McGregor
• added a "bots only" mode to conversion.sh script - Cliff Yapp
• fixed asc2g/g2asc support for brep primitives - Cliff Yapp
• added brep and bot versions of pinewood .g model - Josh Baker
• added new .g example file "Annual Gift Man" - Josh Baker
• fixed dsp terrain file data loading for relative paths - Cliff Yapp
• updated Manifold lib for improved facetize robustness - Cliff Yapp

A note about the binaries uploaded for this release - they have been compiled using the new "bext" method for third party library management, which means that the third party files included may be slightly different than what is produced by building with the standard src/other third party sources.