Besides various bug fixes and stability/performance improvements, notable new features of this release include:
- The new ProbingMutator
- An improved lifting algorithm that can inline expression and results in more readable samples
- A new static corpus mode useful for example to search for variants of bugs or when attempting to reproduce flaky crashes
- Full support for object literals and class definitions in FuzzIL
- Detailed statistics about the performance of CodeGenerators and Mutators with --logLevel=verbose
- Misc. new code generators and language features for things like web workers, forcing JIT compilation, global/hoisted variables, or for creating simple arrays
- A refactored code building algorithm and JavaScript environment model