Complex sentence: After "Bloodlines" was released Activision compiled a list of problems reported to its customer-service department and on "Vampire" websites, authorizing Troika to spend a week creating a patch to address the most serious issues.
Split into simpler sentences: After "Bloodlines" was released to the public, Activision compiled a list of problems customers were reporting to its customer service department and on various "Vampire" websites. It then authorized Troika to spend a week creating a patch to address the most serious issues.