Process::isTtySupported() method that allows to check for TTY supportPhpExecutableFinder look for the PHP_BINARY env var when searching the php binaryProcessSignaledException class to properly catch signaled process errorsarray $env = [] argument to the start(), run(),
mustRun(), and restart() methods of the Process classarray $env = [] argument to the start() method of the
PhpProcess classProcessUtils::escapeArgument() method has been removedareEnvironmentVariablesInherited(), getOptions(), and setOptions()
methods of the Process class have been removedproc_open() options has been removedProcessBuilder class, use the Process class insteadgetEnhanceWindowsCompatibility() and setEnhanceWindowsCompatibility() methods of the Process classSymfony\Component\Process\Process class is not
supported anymoreProcess::start() without setting a valid working directory beforehand (via setWorkingDirectory() or constructor)Process class$env argument to Process::start(), run(), mustRun() and restart() methodsProcessUtils::escapeArgument() methodproc_open() options