Add BLAKE2S crypto hash support.
Start BLE services in one go.
Improve BLE resource management.
Add 'close' to the BLE adapter.
Fix RMT on esp32s3 (and other variants).
Add 'toit pkg' and 'toit snapshot' commands.
Don't use tasks to wait for services to appear.
Handle 'werror' when doing 'toit.compile --analyze'.
Stream JSON and YAML output onto a Writer.
Change close-X to mark-closed on io.Reader and io.Writer.
Introduce new io library.
Optimize getting size of builtin collections.
Avoid spinning up too many native threads on host platforms.
Avoid lock contention on scavenge on host platforms.
Start to bring back the toit executable.
Roll esp-idf to latest v5.0.
