5.0.0

Fixed

• The message uid and message number will only be fetched if accessed and wasn't previously set #326 #285 (thanks @szymekjanaczek)
• Fix undefined attachment name when headers use "filename*=" format #301 (thanks @JulienChavee)
• Fixed ImapProtocol::logout always throws 'not connected' Exception after upgraded to 4.1.2 #351
• Protocol interface and methods unified
• Strict attribute and return types introduced where ever possible
• Parallel messages during idle #338
• Idle timeout / stale resource stream issue fixed
• Syntax updated to support php 8 features
• Get the attachment file extension from the filename if no mimetype detection library is available
• Prevent the structure parsing from parsing an empty part
• Convert all header keys to their lower case representation
• Restructure the decode function #355 (thanks @istid)

Added

• Unit tests added #347 #242 (thanks @sergiy-petrov, @boekkooi-lengoo)
• Client::clone() method added to clone a client instance
• Save an entire message (including its headers) Message::save()
• Restore a message from a local or remote file Message::fromFile()
• Protocol resource stream accessor added Protocol::getStream()
• Protocol resource stream meta data accessor added Protocol::meta()
• ImapProtocol resource stream reset method added ImapProtocol::reset()
• Protocol Response::class introduced to handle and unify all protocol requests
• Static mask config accessor added ClientManager::getMask() added
• An Attribute::class instance can be treated as array
• Get the current client account configuration via Client::getConfig()
• Delete a folder via Client::deleteFolder()

Breaking changes

• PHP ^8.0.2 required
• nesbot/carbon version bumped to ^2.62.1
• phpunit/phpunit version bumped to ^9.5.10
• Header::get() always returns an Attribute::class instance
• Attribute::class accessor methods renamed to shorten their names and improve the readability
• All protocol methods that used to return array|bool will now always return a Response::class instance.
• ResponseException::class gets thrown if a response is empty or contains errors
• Message client is optional and can be null (e.g. if used in combination with Message::fromFile())
• The message text or html body is now "" if its empty and not null