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Changes Between 1.8.0 and 1.9.0 (unreleased)

No changes yet.

Changes Between 1.7.0 and 1.8.0 (Jan 2nd, 2018)

Ruby 2.4 Warnings Squashed

Contributed by utilum.

GitHub issues: #233, #229.

amq-protocol Update

Minimum amq-protocol version is now 2.2.0.

Changes Between 1.6.0 and 1.7.0 (Feb 2nd, 2017)

Clear Framesets on Exception

Unprocessed frames received on a connection are now correctly cleared when an exception occurs.

Contributed by Michael Lutsiuk.

GitHub issue: #218

amq-protocol Update

Minimum amq-protocol version is now 2.1.0.

Changes Between 1.5.0 and 1.6.0 (Apr 4th, 2016)

amq-protocol Update

Minimum amq-protocol version is now 2.0.1.

Provide More Details in TCP Connection Failure Exception

Contributed by Neil Hooey.

GH issue: #222.

Ensures frameset is cleared after an unhandled exception

Ensures frameset is cleared after an unhandled exception. This avoids confusing exceptions such as

undefined method `method_class' for #<AMQ::Protocol::BodyFrame:0x0000001e8a60b0>

Contributed by Michael Lutsiuk.

GH issue: #218

Changes Between 1.4.x and 1.5.0

Only Await basic.consume-ok If nowait is false

Contributed by Rian McGuire.

Server-Named Queue Recovery Fix

Server-named queues are now correctly recovered again.

Contributed by Jack C Hong.

Changes Between 1.3.x and 1.4.0

connection.blocked Support

connection.blocked notifications are now correctly supported by the library:

EventMachine.run do
  connection = AMQP.connect(:host => '127.0.0.1')

  connection.on_blocked do |conn, conn_blocked|
    puts "Connection blocked, reason: #{conn_blocked.reason}"
  end

  connection.on_unblocked do |conn, _|
    puts "Connection unblocked"
  end
end

Changes Between 1.2.x and 1.3.0

Exchange-to-Exchange Bindings Support

amqp gem now supports Exchange-to-Exchange Bindings, a RabbitMQ extension.

AMQP::Exchange#bind and AMQP::Exchange#unbind work very much like AMQP::Queue#bind and AMQP::Queue#unbind, with the argument exchange being the source one.

Contributed by Stefan Kaes.

Internal Exchange Declaration

amqp gem now supports declaration of internal exchanges (used via exchange-to-exchange bindings, cannot be published to by clients).

To declare an exchange as internal, add :internal => true to declaration options.

Contributed by Stefan Kaes.

Initial Connection Failures Retries

Set connection status to closed on connection failure, which means connection retries succeed.

Contributed by Marius Hanne.

Changes Between 1.1.0 and 1.2.0

Authentication Failure Notification Support

amqp gem now supports Authentication Failure Notification. Public API for authentication failure handling hasn't changed.

This extension is available in RabbitMQ 3.2+.

basic.qos Recovery Fix

basic.qos setting will now be recovered first thing after channel recovery, to the most recent value passed via :prefetch channel constructor option or AMQP::Channel#prefetch.

amq-protocol Update

Minimum amq-protocol version is now 1.9.2.

Automatic Recovery Fix

Automatic connection recovery now correctly recovers bindings again.

Contributed by Devin Christensen.

65535 Channels Per Connection

amqp gem now allows for 65535 channels per connection and not Ruby process.

Contributed by Neo (http://neo.com) developers.

channel.close is Delayed Until After Channel is Open

This eliminates a race condition in some codebases that use very short lived channels.

ConnectionClosedError is Back

ConnectionClosedError from amq-client is now defined again.

Fixed Exceptions in AMQP::Exchange#handle_declare_ok

AMQP::Exchange#handle_declare_ok no longer raises an exception about undefined methods #anonymous? and #exchange.

Changes Between 1.0.0 and 1.1.0

amq-protocol Update

Minimum amq-protocol version is now 1.8.0 which includes a bug fix for messages exactly 128 Kb in size.

AMQ::Client is Removed

amq-client has been incorporated into amqp gem. AMQ::Client and related modules are no longer available.

AMQP::Channel#confirm_select is Now Delayed

AMQP::Channel#confirm_select is now delayed until after the channel is opened, making it possible to use it with the pseudo-synchronous code style.

RabbitMQ Extensions are Now in Core

amqp gem has been targeting RabbitMQ exclusively for a while now.

RabbitMQ extensions are now loaded by default and will be even more tightly integrated in the future.

AMQP::Channel.default is Removed

AMQP::Channel.default and method_missing-based operations on the default channel has been removed. They've been deprecated since 0.6.

AMQP::Channel#rpc is Removed

AMQP::RPC-related code has been removed. It has been deprecated since 0.7.

AMQP::Channel.on_error is Removed

Long time deprecated AMQP::Channel.on_error is removed.

Version 1.0.0

Deprecated APIs are Being Removed

Most of public API bits deprecated in 0.8.0 are COMPLETELY REMOVED.