The Service Pack 1 of IDA 7.6 is primarily a bug fixes release that provides fixes for a few errors that might affect many users.
IDA Installers for Apple Silicon (arm64) don't require Rosetta2 anymore and refuse to install on Intel Macs
IDA 7.7.220218 (maintenance release)
+ decompiler: improve handling of volatile reads (some were incorrectly propagated)
+ golang: apply reflection function prototypes to methods when available
+ golang: create function types from reflection metadata
+ PDB: support SP-relative...