Features

• add deprecation codes to all deprecations
• add Compiler.modifiedFiles with a Set of all modified files in this watchRun
• upgrade watchpack

Bugfixes

• enable chunk reuse of defaultVendors to allow webpackChunkName for vendor-only chunks
• fix a missing runtime requirement when using top level await without exports
• fix missing newlines for stats.errorDetails and stats.errorStacks
• fix a crash in webpack-sources accessing mappings of null (Persistent Cache)

Changes

• Multiple assets emit different content to the same filename is an error now
• parser and generator options are no longer stringified, but parser and generators are cached based on option identity instead
• in strict ESM modules JSON modules have no longer named exports

Refactoring

• rename exportsType = "named" to exportsType = "default"