Features
[jest-circus]Bind to Circus events via an optional event handler on any custom env (#8344)[expect]Improve report when matcher fails, part 15 (#8281)[jest-cli]Update--forceExitand "did not exit for one second" message colors (#8329)[expect]Improve report when matcher fails, part 16 (#8306)[jest-runner]Pass docblock pragmas to TestEnvironment constructor (#8320)[docs]Add DynamoDB guide (#8319)[expect]Improve report when matcher fails, part 17 (#8349)[expect]Improve report when matcher fails, part 18 (#8356)[expect]Improve report when matcher fails, part 19 (#8367)
Fixes
[jest-each]Fix bug with placeholder values (#8289)[jest-snapshot]Inline snapshots: do not indent empty lines (#8277)[@jest/runtime, @jest/transform]Allow custom transforms for JSON dependencies (#8278)[jest-core]MakedetectOpenHandlesimplyrunInBand(#8283)[jest-haste-map]Fix themapperoption which was incorrectly ignored (#8299)[jest-jasmine2]Fix describe return value warning being shown if the describe function throws (#8335)[jest-environment-jsdom]Re-declare global prototype of JSDOMEnvironment (#8352)[jest-snapshot]Handle arrays when merging snapshots (#7089)[expect]Extract names of async and generator functions (#8362)[jest-runtime]Fix virtual mocks not being unmockable after previously being mocked (#8396)[jest-transform]Replace special characters in transform cache filenames to support Windows (#8353)[jest-config]Allow exactly one project (#7498)
Chore & Maintenance
[expect]Fix label and add opposite assertion for toEqual tests (#8288)[docs]Mention Jest MongoDB Preset (#8318)[@jest/reporters]Migrate away fromistanbul-api(#8294)[*]Delete obsolete emails tag from header comment in test files (#8377)[expect]optimize compare nodes (#8368)[docs]Fix typo in MockFunctionAPI.md (#8406)[LICENSE]Follow copyright header guidelines and delete For Jest software (#8428)