Security fix

• Security fix: Disable deserialization of RunProcess class (#6241) reported by @snoopysecurity
• Reduce memory consumption of very large tests (#6230) by @esnelubov
• Support guzzlehttp/psr7 v2 by @W0rma
• Fix W3C warning in reports generated by Recorder extension (#6224) by RickR2H

Security fix

• Security fix: Disable deserialization of RunProcess class (#6241) reported by @snoopysecurity

4.1.21

• Fix dry-run compatibility with symfony/console 5.3
• Coverage: Don't attempt to set cookie domain when it is "localhost" #6210 by @marcovtwout
• Coverage: Don't attempt to read cookies while an alert is open #6211 by @marcovtwout

4.1.20

• Fix compatibility with PHP 7.0

4.1.19

• Action file generator supports PHP 8 union types
• Action file generator generates typehints for method parameters
• Removed dead code related to DataProviderTestSuite
• Removed documentation related to Cept format
• Deprecated generate:cept command
• Documentation improvements

4.1.18

• Fix cleanup of included test directories #6117 by @rolandsaven
• Clean command will not delete .gitkeep files in _output directory #6118
• Add line break between opening tag and namespace in generated Cest and Test files #6072

4.1.17

• Fix codecept run suite when suite name matches directory (bug introduced in 4.1.16)
• codecept run tests is equivalent to codecept run
• codecept run :filter works without specifying suite #6105
• codecept run tests:filter works too

4.1.16

• Detect the suite from a test path relative to the current working dir (#6051)
• GroupManager: Fixed bug introduced in 4.1.15
• Show location of warning in error message (#6090)

4.1.15

• GroupManager: Show which group contains a missing file #5938
• Ignore . namespace in generators when someone pass path as a class name, e.g. ./foo #5818
• Removed "Running with seed" from CLI report (#6088) by @eXorus
• Suggest most similar module in missing module exception #6079 by @c33s

4.1.14

• Improved compatibility logic for Symfony EventDispatcher