This release fixes a potential incompatibility with some chat-related plugins that would accidentally make local messages global. I'm not aware of this being an actual issue, but it could theoretically cause plugin incompatibility and the solution is stupid simple to implement, so really there's no reason not to.
This release fixes an issue with player messages not showing up in the console. It solves this by sending player messages to the console directly as system messages. This issue didn't affect gameplay or compatibility, but could be annoying to server owners wanting to keep track of chat through the console or log file.