2023-12-09 • binary STLs exported from “ZBrush” now default to Y-up 2021-10-30 • ASCII STLs exported from “Fusion 360” now default to Z-up • fixed “Autodesk 123D” ASCII STL detection • fixed “Visualization Toolkit” ASCII STL detection • minor setup improvements • minor performance improvements 2020-10-11 • improved robustness with damaged files • minor performance improvements 2020-08-22 • now supporting binary STLs exported from new “Fusion 360” versions • minor performance improvements 2020-06-01 • colors and rotation can now be configured via “Papa’s Best STL Viewer” or via registry • improved ASCII STL compatibility 2020-02-07 • improved rendering performance and memory footprint • improved ASCII STL performance • fixed lighting problems 2019-11-01 • minor performance improvements 2019-08-10 • fixed missing MIME type in registry • minor performance improvements 2019-06-30 • setup now refreshes Explorer • fixed file dates 2019-06-11 • now supporting binary STLs exported from new “Solid Edge” versions • fixed overlay icons • added version information 2019-05-25 • fixed thumbnails in 32-bit programs on 64-bit Windows • 32-bit setup cannot be installed on 64-bit Windows any more • setup now prompts for reboot on Windows 10 2019-05-11 • minor performance improvements • reduced setup size