Some namespaces, interfaces and classes in Predis v0.8 have been renamed to follow a common rule inspired by the naming conventions adopted by the Symfony2 project. This is a list of all the changes:
Predis\Network=>Predis\ConnectionPredis\Profiles=>Predis\ProfilePredis\Iterators=>Predis\IteratorPredis\Options=>Predis\OptionPredis\Commands=>Predis\CommandPredis\Commands\Processors=>Predis\Command\Processor
Predis\IReplyObject=>Predis\ResponseObjectInterfacePredis\IRedisServerError=>Predis\ResponseErrorInterfacePredis\Options\IOption=>Predis\Option\OptionInterfacePredis\Options\IClientOptions=>Predis\Option\ClientOptionsInterfacePredis\Profile\IServerProfile=>Predis\Profile\ServerProfileInterfacePredis\Pipeline\IPipelineExecutor=>Predis\Pipeline\PipelineExecutorInterfacePredis\Distribution\INodeKeyGenerator=>Predis\Distribution\HashGeneratorInterfacePredis\Distribution\IDistributionStrategy=>Predis\Distribution\DistributionStrategyInterfacePredis\Protocol\IProtocolProcessor=>Predis\Protocol\ProtocolInterfacePredis\Protocol\IResponseReader=>Predis\Protocol\ResponseReaderInterfacePredis\Protocol\IResponseHandler=>Predis\Protocol\ResponseHandlerInterfacePredis\Protocol\ICommandSerializer=>Predis\Protocol\CommandSerializerInterfacePredis\Protocol\IComposableProtocolProcessor=>Predis\Protocol\ComposableProtocolInterfacePredis\Network\IConnection=>Predis\Connection\ConnectionInterfacePredis\Network\IConnectionSingle=>Predis\Connection\SingleConnectionInterfacePredis\Network\IConnectionComposable=>Predis\Connection\ComposableConnectionInterfacePredis\Network\IConnectionCluster=>Predis\Connection\ClusterConnectionInterfacePredis\Network\IConnectionReplication=>Predis\Connection\ReplicationConnectionInterfacePredis\Commands\ICommand=>Predis\Command\CommandInterfacePredis\Commands\IPrefixable=>Predis\Command\PrefixableCommandInterfacePredis\Command\Processor\ICommandProcessor=>Predis\Command\Processor\CommandProcessorInterfacePredis\Command\Processor\ICommandProcessorChain=>Predis\Command\Processor\CommandProcessorChainInterfacePredis\Command\Processor\IProcessingSupport=>Predis\Command\Processor\CommandProcessingInterface
Predis\Commands\Command=>Predis\Command\AbstractCommandPredis\Network\ConnectionBase=>Predis\Connection\AbstractConnection
Predis\MonitorContext=>Predis\Monitor\MonitorContextPredis\ConnectionParameters=>Predis\Connection\ConnectionParametersPredis\ConnectionParametersInterface=>Predis\Connection\ConnectionParametersInterfacePredis\ConnectionFactory=>Predis\Connection\ConnectionFactoryPredis\ConnectionFactoryInterface=>Predis\Connection\ConnectionFactoryInterface