The previous open source release was roughly equivalent with Erlang/OTP R4B. Since then a new version of Erlang/OTP called R5B has been released.

This document points at the most important improvements in Erlang/OTP R6B (Erlang 4.9.1) as well as the improvements made in Erlang/OTP R5B (Erlang 4.8). For more detailed information, please check the release notes for the respective applications.

Highlights of Erlang/OTP R6B (Erlang 4.9)

General

ASN-1.2.4

Compiler-2.1

COSTransactions-1.1 New

ERTS-4.9.1

IC-3.8

Kernel-2.4

ORBER-3.0

Highlights of Erlang/OTP R5B (Erlang 4.8)


ERTS-4.8

Kernel-2.2 Stdlib-1.6 Compiler-1.3 Asn1-1.1

INETS-2.3

Debugger-1.3 Table Visualizer-2.0 ODBC - Open Database Connectivity Mnesia-3.7
 
A concept of fragmented tables has been introduced in order to cope  with very large tables. The idea is to split a table into several more manageable fragments. Each fragment is implemented as a first clas Mnesia table and may be replicated, have indecies etc.as any other  table.
Mnemosyne-1.1 Orber-2.2 IC-3.3