Team Fortress 2 Vulkan not launching with Conty 1.28.4 (possible regression)

When updating to Conty 1.28.4, Team Fortress 2 with Vulkan backend (the default option) does not launch anymore. Legacy OpenGL backend works fine. Tested with both conty_lite_dwarfs and conty_lite. Less than 1 second of the video intro is heard before silence and error messages in the log. DXVK (the native library version, not the Proton one) throws a -13 Vulkan error code (which is VK_ERROR_UNKNOWN after searching the Vulkan headers). Downgrading to Conty 1.28.3 solves this problem so this must be a regression from the new version. Proton games with DXVK works fine so this seems to not affect all games using Vulkan. Please note that this is not related to the "fullscreen crash" error that affected Team Fortress 2 since the 64-bits update as i pass "-sw -noborder" to solve this issue. As Arch Linux is a fairly popular Linux distribution and there are no recent relevant issues in the "[Source-1-Games](https://github.com/ValveSoftware/Source-1-Games)" repo, this problem seems to be caused by conty itself. I did not use any special option while launching conty. Here is the log with messages printed to stderr and stdout (minus the TF2 error messages related to "missing" files which are errors always showing when starting the game, even if it works): [tf2_dxvk_conty_log.txt](https://github.com/user-attachments/files/24103325/tf2_dxvk_conty_log.txt) Edit: this is on a Slackware64 15.0 installation with multilib packages.