* globalThis with CSP compatibility ([#734](https://github.com/istanbuljs/istanbuljs/issues/734)) ([8b1baa8](https://github.com/istanbuljs/istanbuljs/commit/8b1baa8f45b6457ae2b467ddc5d4b6d9d9ea8690))
* support ESM when reading coverage ([#692](https://github.com/istanbuljs/istanbuljs/issues/692)) ([fc509cc](https://github.com/istanbuljs/istanbuljs/commit/fc509ccdc8bf5215672aa6f00551dec2e512124f))
* handle error when inputSourceMap is not a plain object ([#662](https://github.com/istanbuljs/istanbuljs/issues/662)) ([3e3611f](https://github.com/istanbuljs/istanbuljs/commit/3e3611f0efffefd5f87e6cbccd840e9f33aaf43e))
* option to evaluate logical truthiness, for applications such as fuzzing ([#629](https://www.github.com/istanbuljs/istanbuljs/issues/629)) ([a743b84](https://www.github.com/istanbuljs/istanbuljs/commit/a743b8442e977f0c77ffa282eed7ac84ca200d1f))
* **magic-value:** make incrementing magic value a manual step ([#641](https://www.github.com/istanbuljs/istanbuljs/issues/641)) ([823010b](https://www.github.com/istanbuljs/istanbuljs/commit/823010b821cf81bd91377d75fc83f0875925db66))
* Add ts-ignore to reassignment of generated function ([#557](https://github.com/istanbuljs/istanbuljs/issues/557)) ([817efb0](https://github.com/istanbuljs/istanbuljs/commit/817efb04fc161efae426b2231a0221606b09f559))
* Use @babel/core for all babel imports. ([#555](https://github.com/istanbuljs/istanbuljs/issues/555)) ([a99a13e](https://github.com/istanbuljs/istanbuljs/commit/a99a13ee6931fc124a2a723c3f511cdbcb0aa81d))
* Produce properly merged source-maps when inputSourceMap is provided ([#487](https://github.com/istanbuljs/istanbuljs/issues/487)) ([8f8c88e](https://github.com/istanbuljs/istanbuljs/commit/8f8c88e3a2add4c08729e41e356aa7981dc69d4d))
* Use @istanbuljs/schema to pull defaults ([#485](https://github.com/istanbuljs/istanbuljs/issues/485)) ([87e27f3](https://github.com/istanbuljs/istanbuljs/commit/87e27f3)), closes [#460](https://github.com/istanbuljs/istanbuljs/issues/460)
### BREAKING CHANGES
* The defaults for `autoWrap`, `preserveComments`,
`esModules` and `produceSourceMap` are now true. This applies only to
the stand-alone instrumenter, the visitor does not use these options.
* The `flow` and `jsx` parser plugins are no longer
enabled by default. This applies only to the stand-alone instrumenter,
the visitor does not use this option.
* The `plugins` option of the stand-alone instrumenter
* Enable classProperties and classPrivateProperties parsers and coverage. ([#379](https://github.com/istanbuljs/istanbuljs/issues/379)) ([c09dc38](https://github.com/istanbuljs/istanbuljs/commit/c09dc38))
* Be more friendly to ts-node. ([#352](https://github.com/istanbuljs/istanbuljs/issues/352)) ([40d15f5](https://github.com/istanbuljs/istanbuljs/commit/40d15f5)), closes [#336](https://github.com/istanbuljs/istanbuljs/issues/336)
* Honor istanbul ignore next hints placed before export statement. ([#298](https://github.com/istanbuljs/istanbuljs/issues/298)) ([f24795d](https://github.com/istanbuljs/istanbuljs/commit/f24795d)), closes [#297](https://github.com/istanbuljs/istanbuljs/issues/297)
* dont skip for loop initialization instrumentation ([#188](https://github.com/istanbuljs/istanbuljs/issues/188)) ([2e0258e](https://github.com/istanbuljs/istanbuljs/commit/2e0258e))
* New options coverageGlobalScope and coverageGlobalScopeFunc. ([#200](https://github.com/istanbuljs/istanbuljs/issues/200)) ([25509c7](https://github.com/istanbuljs/istanbuljs/commit/25509c7)), closes [#199](https://github.com/istanbuljs/istanbuljs/issues/199)
* Update test for babel 7. ([#218](https://github.com/istanbuljs/istanbuljs/issues/218)) ([9cf4d43](https://github.com/istanbuljs/istanbuljs/commit/9cf4d43)), closes [#205](https://github.com/istanbuljs/istanbuljs/issues/205)
* update pinned babel version to latest release. ([#189](https://github.com/istanbuljs/istanbuljs/issues/189)) ([ac8ec07](https://github.com/istanbuljs/istanbuljs/commit/ac8ec07))
* update default args test guard to work on supported versions. ([#185](https://github.com/istanbuljs/istanbuljs/issues/185)) ([955511a](https://github.com/istanbuljs/istanbuljs/commit/955511a))
* add support for optional catch binding ([#175](https://github.com/istanbuljs/istanbuljs/issues/175)) ([088dd9f](https://github.com/istanbuljs/istanbuljs/commit/088dd9f))
* add support for optional catch binding ([#175](https://github.com/istanbuljs/istanbuljs/issues/175)) ([088dd9f](https://github.com/istanbuljs/istanbuljs/commit/088dd9f))
* parenthesize superClass on non-identifier case ([#158](https://github.com/istanbuljs/istanbuljs/issues/158)) ([6202c88](https://github.com/istanbuljs/istanbuljs/commit/6202c88))
* default value for ignoreClassMethods ([#151](https://github.com/istanbuljs/istanbuljs/issues/151)) ([5dd88e8](https://github.com/istanbuljs/istanbuljs/commit/5dd88e8))
* allows an array of ignored method names to be provided ([#127](https://github.com/istanbuljs/istanbuljs/issues/127)) ([67918e2](https://github.com/istanbuljs/istanbuljs/commit/67918e2))
* compatibility with babel 7 ([#135](https://github.com/istanbuljs/istanbuljs/issues/135)) ([6cac849](https://github.com/istanbuljs/istanbuljs/commit/6cac849))
* handle instrumentation when a function is called Function ([#131](https://github.com/istanbuljs/istanbuljs/issues/131)) ([b12a07e](https://github.com/istanbuljs/istanbuljs/commit/b12a07e))
* proper passing of the preserveComments option to babel ([#122](https://github.com/istanbuljs/istanbuljs/issues/122)) ([470bb0e](https://github.com/istanbuljs/istanbuljs/commit/470bb0e))
* update instrument, account for lack of arrow expression ([#119](https://github.com/istanbuljs/istanbuljs/issues/119)) ([#125](https://github.com/istanbuljs/istanbuljs/issues/125)) ([0968206](https://github.com/istanbuljs/istanbuljs/commit/0968206))
* address issue with class instrumentation ([#111](https://github.com/istanbuljs/istanbuljs/issues/111)) ([cbd1c14](https://github.com/istanbuljs/istanbuljs/commit/cbd1c14))
* support conditional expression for superClass ([#106](https://github.com/istanbuljs/istanbuljs/issues/106)) ([aae256f](https://github.com/istanbuljs/istanbuljs/commit/aae256f))
### Features
* add support for ignoring entire files ([#108](https://github.com/istanbuljs/istanbuljs/issues/108)) ([f12da65](https://github.com/istanbuljs/istanbuljs/commit/f12da65))
* add support for object-spread syntax ([#82](https://github.com/istanbuljs/istanbuljs/issues/82)) ([28d5566](https://github.com/istanbuljs/istanbuljs/commit/28d5566))
* name of function is now preserved or named exports ([#79](https://github.com/istanbuljs/istanbuljs/issues/79)) ([2ce8974](https://github.com/istanbuljs/istanbuljs/commit/2ce8974))
* update increment operator to appropriate expression type ([#74](https://github.com/istanbuljs/istanbuljs/issues/74)) ([dc69e66](https://github.com/istanbuljs/istanbuljs/commit/dc69e66))
* hoist statement counter for class variables, so that name is preserved ([#60](https://github.com/istanbuljs/istanbuljs/issues/60)) ([120d221](https://github.com/istanbuljs/istanbuljs/commit/120d221))
* don't instrument a file if it has already been instrumented ([#38](https://github.com/istanbuljs/istanbuljs/issues/38)) ([9c38e4e](https://github.com/istanbuljs/istanbul-lib-instrument/commit/9c38e4e))
* use extended babylon support; adding features such as jsx ([#22](https://github.com/istanbuljs/istanbuljs/issues/22)) ([11c2438](https://github.com/istanbuljs/istanbul-lib-instrument/commit/11c2438))
* loc is sometimes not defined, so loc.start fails see [#99](https://github.com/istanbuljs/istanbuljs/issues/99) ([#18](https://github.com/istanbuljs/istanbuljs/issues/18)) ([df85ba6](https://github.com/istanbuljs/istanbul-lib-instrument/commit/df85ba6))
* function declaration assignment now retains function name ([#33](https://github.com/istanbuljs/istanbul-lib-instrument/issues/33)) ([2d781da](https://github.com/istanbuljs/istanbul-lib-instrument/commit/2d781da))
* allow an input source-map to be passed to instrumentSync() ([#23](https://github.com/istanbuljs/istanbul-lib-instrument/issues/23)) ([b08e4f5](https://github.com/istanbuljs/istanbul-lib-instrument/commit/b08e4f5))
* implement function to extract empty coverage data from an instrumented file ([#28](https://github.com/istanbuljs/istanbul-lib-instrument/issues/28)) ([06d0ef6](https://github.com/istanbuljs/istanbul-lib-instrument/commit/06d0ef6))
* hoist coverage variable to very top of file ([#26](https://github.com/istanbuljs/istanbul-lib-instrument/issues/26)) ([0225e8c](https://github.com/istanbuljs/istanbul-lib-instrument/commit/0225e8c))
* use zero-based numeric indices for much faster instrumented code ([#22](https://github.com/istanbuljs/istanbul-lib-instrument/issues/22)) ([5b401f5](https://github.com/istanbuljs/istanbul-lib-instrument/commit/5b401f5))
* guard against invalid loc ([#16](https://github.com/istanbuljs/istanbul-lib-instrument/issues/16)) ([23ebfc3](https://github.com/istanbuljs/istanbul-lib-instrument/commit/23ebfc3))