Besides various bug fixes and stability/performance improvements, notable new features of this release include:

• The new ExplorationMutator
• A new and improved splicing algorithm
• The swarm testing mode for distributed fuzzing
• A new argument randomization mode to run the targeted JavaScript engines with randomized arguments
• Various new JavaScript language features in FuzzIL such as support for spreading and destructuring
• Better documentation about how Fuzzilli works
• A new, simple GenerativeEngine used to generate an initial corpus if starting without one
• A new corpus synchronization mode for distributed fuzzing