Altirra 2.1 Test 34 is released. Altirra is an Atari 8 bit Emulator on the Windows/DOS platform. Altirra emulates several models of the 8-bit Atari computers. This includes the the 800, 800XL, and 130XE versions. It has a lot of options, and compatibility is decent especially given the emulator's early stages. It also supports some copy protected games properly in emulation.

Altirra 2.1 Test 34 Changelog:

bugs fixed - Display: Fixed bicubic scaling in OpenGL mode. - Quick fix for H: being broken with VBXE set to $D600:

Download: Altirra 2.1 Test 34
Source: Here