Collectible Card Game Headquarters

After installing the December 2015 patch I found a difference on the game resolution or, at least, the cards size. Check that difference on the two screenshots, the 'balance' was from a previous version and other is from the new patch.




Is this actually a bug, or is it a configuration that must be changed on a file?
If this can be changed, where?

In the config.txt file in the program directory is a line labelled SmallCardSize. Follow the included directions to change it.

Legitimate bug; the default should be unchanged from the previous.

That said, I can't reproduce it. Using the default config.txt setting of -8 at 1920x1080 (so a window width of 1907), I get: