A new job posting from SpaceX mentions the company wants to develop compact 'multi-chip modules' to handle radio frequencies ...
When the Artemis II four-person crew left Earth’s orbit, they were protected by a computing system designed to move beyond simple redundancy (a la the Apollo missions) to a fail-silent architecture.
About 24 seconds after reentry, the spacecraft will largely be engulfed in plasma, leading to a six-minute blackout period.