Heroes V producer Fabrice Cambounet made an announcement in the forums of the official Might and Magic portal site : patch 1.4 will be released today. We can assume it will be available around 6 PM in France like the previous patches. The list of changes includes some interesting features :

- The map editor contained in the version is also the one that will be provided with the forthcoming addon, except for the dwarves data.
- "Paper doll" in Hero inventory interface

It also mentions "many text bugs have been fixed", let's hope it will be enought... Read the complete list of changes in the forums, as well as additional details regarding Hammers of Fate's compatibility.

Edit: The patch is now available.