Let me speak real slowly. This-is-for-Myth-2, not-Myth:TFL. This-will-play-on-MNet. Okie dokie? Now, here's the first bit of information from Blades:
After months of blood, sweat and tears, Project Magma in association with MythDev are pleased to bring you the release of Myth II v1.4.1.
Created by die-hard members of the Myth community, Myth II 1.4.1 fixes not only outstanding problems with the game engine, but also adds functionality which will allow for continued community growth; this is truly a project for all Myth players.
A lot of hard work went into this for the community. It's the result of countless hours of working, reworking and reworking again of thousands of lines of code by people who simply love this game. If you enjoy the updates, drop by the projectmagma.net or MythDev.com forums and let them know what you think.
Shortly after, (the next day - I think) a bug was found, so it was fixed, and thus was created 1.4.2. The pertinent info, from Blades:
After a marathon session of tracking and debugging things on the PC and Macintosh end of Myth II code... we're somewhat happy to bring you Myth II v1.4.2... although many of us wish it wouldn't have been necessary.
You should update to v1.4.2 if you are having any problems using the v1.4.1 on either Mac or PC platforms. If you are running 1.4.1, you DO NOT NEED TO DOWNLOAD THE COMPLETE 12-14 MEG FILE, we've provided a 1.4.1 -> 1.4.2 updater that is .5 - 1.5 megs to make life easier. Be sure to read the instructions for installing. Version 1.4.2 and 1.4.1 are 100% compatible and will not cause any sync problems.
We're also providing manual installers for those who prefer that kind of thing. Be sure to read the readme with the manual installers. If you're updating a basic install of M2 from CD, the automatic installers should work great for you.