This is a maintenance release preceding the v5.

API

• Adding optional fields skipNonce and skipBalance to the runBlock function. PR #663
• Added codeAddress to the step event, allowing to have an address disambiguation when running DELEGATECALL or CALLCODE. PR #651

Fixes

• Properly copying BigNumbers on stack. PR #733
• Fixes installation on Node 12, by bumping level dependency from ^4.0.0 to ^6.0.0. PR #662

Internal

• StateManager tests are now ran in the browser context as well. PR #653
• Run tests with ts-node. PRs #654, #658

Useful links

• Package source
• NPM page
• Compare 4.1.3...4.2.0