On 20th of October, Robert Haas committed patch: Rename "pg_xlog" directory to "pg_wal". "xlog" is not a particularly clear abbreviation for "write-ahead log", and it sometimes confuses users into believe that the contents of the "pg_xlog" directory are not critical data, leading to unpleasant consequences. ...

On 27th of February, Alvaro Herrera committed patch: Allow BASE_BACKUP to be throttled A new MAX_RATE option allows imposing a limit to the network transfer rate from the server side. This is useful to limit the stress that taking a base backup has ...

On 22nd of February, Peter Eisentraut committed patch: pg_basebackup: Add support for relocating tablespaces Tablespaces can be relocated in plain backup mode by specifying one or more -T olddir=newdir options. Author: Steeve Lennmark Reviewed-by: Peter Eisentraut

On 25th of January, Simon Riggs committed patch: Allow pg_basebackup from standby node with safety checking. Base backup follows recommended procedure, plus goes to great lengths to ensure that partial page writes are avoided. Jun Ishizuka and Fujii Masao, with minor modifications

On 23rd of January, Magnus Hagander committed patch which adds: Add pg_basebackup tool for streaming base backups   This tool makes it possible to do the pg_start_backup/ copy files/pg_stop_backup step in a single command.   There are still some steps to be done before this is ...

On 7th of January (I know, it was quite some time ago, I apologize for delay) Itagaki Takahiro committed patch: New system view pg_stat_replication displays activity of wal sender processes.   Itagaki Takahiro and Simon Riggs.