Malaysia’s customs declaration form requirement dropped many years ago, has been reintroduced, effective immediately, for all travellers.
EU travel access rules will change by 2020, with the introduction of ETIAS for certain visitors.
UPDATE Monday 26th Sept: Delays are currently minimal as cover is available for striking workers, but may not continue as times are unknown. Industrial Action may affect Immigration Clearance and Customs at Australian airports these school holidays. Be early.