On 28th of November Tom Lane committed patch by Dave Page, which adds new capability to system monitoring and logging: Log Message: ----------- Add support for an application_name parameter, which is displayed in pg_stat_activity and recorded in log entries.   Dave Page, reviewed by Andres Freund

On 7th of October Alvaro Herrera committed his own patch, which adds quite interesting possibilty: Log Message: ----------- Make it possibly to specify GUC params per user and per database.   Create a new catalog pg_db_role_setting where they are now stored, and better encapsulate the code ...

On 19th of November Tom Lane committed patch by Takahiro Itagaki which does: Add auto-explain contrib module for automatic logging of the plans of slow-running queries.

Today another two new additions to PostgreSQL - as You can see may commit-fest seems to work pretty good :)