Hi Eukeni Urkiaga
Thank you very much for your feedback. I think the mqx 4.2.0.2 patch should include mqx 4.2.0.1 patch, there maybe a mistake here. You can manually merge the bug fix to your project.
I am sorry that there will be no new release for MQX 4.2 any more.
MQX v5 is a continuation of MQX 4.2 with commercial license.
Please check below link for more details
MQX™ v5 Software Solutions|NXP
Regards
Daniel