Studio 343 Industries announced that the next session of testing (the so-called test flight) of the PC version
In addition to this, there is a chance that the test version will contain some audio bug fixes for Halo: Reach. But 343 Industries noted that this may not happen if the studio does not meet the deadline.
If you want to participate in test flights, you need to
Halo 2 and Halo 2: Anniversary will be the next games to be released as part of the Halo: The Master Chief Collection on PC - Halo: Reach and Halo: Combat Evolved Anniversary are already available. On Xbox One, the complete collection went on sale back in 2014.
Source: 3dnews.ru