Isolates spawned via the Isolate.spawn() API are now grouped, operate on the same managed heap and can therefore share various VM-internal data structures.

This leads to ~100x faster isolate startup latency, ~10-100x lower per-isolate base memory overhead and ~8x faster inter-isolate communication.

Dart programming language | Dart

Dart 2.15 is now available in the flutter beta channel, more details can be found here:



Check the performance

QA engineer:

Business as usual


Business as usual

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