npm / @nestjs/cli

@nestjs/cli

What changed in @nestjs/cli 11 to 12, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-19.

9 breaking4 deprecations25 new APIs and options8 behavior and defaults11 tooling34 fixes and other

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@unstale/cli 0.2.0 on npm

@nestjs/cli 1268 changes

Breaking changes 7

The compiler now resolves the SWC source root separately for each application.
12.0.6release notes
The angular schematic has been removed.
12.0.0upgrade guide
Build output and cleanup paths are confined to the project directory by default; symlinks are resolved before writing to prevent writes escaping the project.
12.0.0release notes
CLI schematics for nest new, nest generate, and nest upgrade require Node.js v22.22.3+, v24.15+, or v26+; nest upgrade refuses to run on older releases.
12.0.0upgrade guide
An invalid --builder now produces a non-zero exit.
12.0.0release notes
Programmatic imports of CLI internals now resolve to ESM; the package is published as pure ESM.
12.0.0release notes
webpack and related bundler packages are optional peer dependencies rather than bundled dependencies; webpack users must install the bundler packages themselves.
12.0.0release notes

Deprecations 4

The webpack CLI flag is deprecated in favor of --builder rspack.
12.0.0upgrade guide
The nest-cli.json webpack option is deprecated in favor of --builder rspack.
12.0.0upgrade guide
The nest-cli.json webpack configuration path option is deprecated in favor of --builder rspack.
12.0.0upgrade guide
The webpack configuration path flag is deprecated in favor of --builder rspack.
12.0.0upgrade guide

New APIs and options 24

Asset entries can opt out of triggering a restart when they change.
12.0.6release notes
Allows monorepo layouts to emit build output outside the project root.
12.0.0release notes
Adds an option to emit .d.ts files when using the SWC builder.
12.0.0upgrade guide release notes
Supports --builder rspack to build with Rspack.
12.0.0release notes
Adds an option that overrides the config-level type-check setting.
12.0.0release notes
Adds emitDeclarations to enable .d.ts file emission when using the SWC builder.
12.0.0upgrade guide
Adds includeLibraryAssets for copying library assets into an application build.
12.0.0upgrade guide release notes
Adds a deploy command that forwards to Mau and installs @nestjs/mau as a dev dependency on first use.
12.0.0upgrade guide release notes
Adds formatting of generated files with Prettier.
12.0.0release notes
Adds --observe and --no-observe to answer the @nestjs/observe prompt.
12.0.0release notes
Adds an option to scaffold a project without testing files.
12.0.0release notes
Supports --builder rspack to start with Rspack.
12.0.0release notes
Adds nest update as an alias for nest upgrade.
12.0.0release notes
Adds an option to choose a collection for the upgrade.
12.0.0release notes
Previews the upgrade report without touching project files.
12.0.0upgrade guide release notes
Adds --observe and --no-observe to answer the @nestjs/observe prompt up front.
12.0.0release notes
Adds an option to skip installation during the upgrade.
12.0.0release notes
Adds a dist-tag option for choosing a tag such as next instead of the default version ranges.
12.0.0release notes
Adds an option to explicitly disable SWC type checking.
12.0.0upgrade guide
Adds parallel monorepo builds with optional concurrency when used with --all.
12.0.0upgrade guide release notes
Adds --crud [value] to the resource schematic.
12.0.0release notes
Adds --type <rest|graphql|microservice> to the resource schematic.
12.0.0release notes
Adds a nest build and nest start option for specifying a Rspack configuration file.
12.0.0upgrade guide release notes
Adds an option to suppress informational compiler logs.
12.0.0upgrade guide release notes

Behavior and default changes 6

The default .gitignore template now includes *.tsbuildinfo.
12.0.1release notes
All newly generated projects use oxlint by default.
12.0.0upgrade guide
Rspack becomes the default bundler for monorepos.
12.0.0upgrade guide
Source maps are enabled in the Rspack defaults.
12.0.0release notes
Generated ESM projects use Vitest by default, while CommonJS projects continue to use Jest.
12.0.0upgrade guide
Asset changes restart the application in watch mode, with debouncing so a burst of writes triggers one restart.
12.0.0release notes

Tooling 10

The compiler now resolves TypeScript path aliases from the tsconfig directory.
12.0.6release notes
SWC emits ES modules for ESM projects.
12.0.5release notes
Bundler config files now support native ESM.
12.0.1release notes
Schematics are shown as a plain list on narrow terminals.
12.0.1release notes
The CLI adds bun as a supported package manager.
12.0.0upgrade guide release notes
The decorator schematic now generates decorators using the Reflector.createDecorator() form.
12.0.0upgrade guide
Displays an explicit message when no @nestjs/* dependencies are declared.
12.0.0release notes
Prompts users to choose whether to generate a CommonJS or ESM project layout.
12.0.0upgrade guide
Upgrades recognized @nestjs/* packages together, installs them, applies mechanical migration changes, and prints a report of changes and behavioral notes.
12.0.0upgrade guide release notes
Rspack is supported as an optional peer dependency and is the builder scaffolded into nest-cli.json for new projects.
12.0.0release notes

Fixes and other changes 17

Preserves CommonJS entry exports in rspack and webpack builds.
12.0.8release notes
Preserves parent links for aliased re-exports.
12.0.8release notes
Webpack now resolves absolute tsconfig paths.
12.0.7release notes
The compiler now forks the SWC type checker with the application's plugins.
12.0.7release notes
SWC resolves path aliases from the tsconfig directory.
12.0.5release notes
The CLI parses .swcrc with a JSONC parser to match SWC.
12.0.5release notes
Dotfiles are now copied when expanding a directory asset.
12.0.1release notes
ESM output now emits loadable path alias specifiers.
12.0.1release notes
Plugin load errors are surfaced instead of being reported as "not compatible".
12.0.1release notes
The compiler now resolves an absolute tsconfig path.
12.0.1release notes
Watch mode now honors preserveWatchOutput from tsconfig.
12.0.1release notes
Asset path stripping now follows the effective TypeScript rootDir.
12.0.0release notes
When a builder's peer dependency is missing, the CLI reports the missing package name instead of a raw resolution error.
12.0.0release notes
The --parallel value is validated instead of potentially looping forever.
12.0.0release notes
Malformed configuration now produces a readable error.
12.0.0release notes
SWC skips excluded files in builds and watch mode; newly added files no longer inherit watch mode when transpiled.
12.0.0release notes
The file is removed when deleteOutDir is set.
12.0.0release notes

@nestjs/cli 1123 changes

Breaking changes 2

The compiler now fails fast when TypeScript lacks the programmatic API.
11.0.24release notes
The CLI errors on unexpected extra positional arguments.
11.0.18release notes

New APIs and options 1

Adds type and CRUD options to the generate command.
11.0.22release notes

Behavior and default changes 2

Watch mode now skips signal forwarding.
11.0.19release notes
The tsc compiler now runs the tsconfig paths plugin before user plugins.
11.0.19release notes

Tooling 1

Expands the peer dependency range to include ^0.8.0.
11.0.18release notes

Fixes and other changes 17

Removes a duplicated binary from the message shown when a command fails.
11.0.24release notes
Reverts validation of asset output paths.
11.0.23release notes
Reverts validation of delete output-directory paths before removal.
11.0.23release notes
Validates asset output paths in the compiler.
11.0.22release notes
The CRUD option accepts a value for generating entry points.
11.0.22release notes
Fixes Windows path separator handling when loading plugins.
11.0.22release notes
Fixes the inverted chokidar ignored filter in watch mode.
11.0.20release notes
Corrected the Asset type definition from a string literal to a string union.
11.0.19release notes
Fixed a missing space in the displayed OS version.
11.0.19release notes
Path aliases are now resolved in declaration files.
11.0.19release notes
Spec file suffix lookup now uses the selected project name.
11.0.19release notes
Uses the ready event when closing the asset watcher.
11.0.18release notes
The start command waits for asynchronous shutdown hooks to finish before exiting.
11.0.18release notes
SWC now respects the root dir option when stripping leading paths.
11.0.18release notes
The .tsbuildinfo file is deleted along with the output directory.
11.0.18release notes
Prevents double initialization in SWC watch mode.
11.0.18release notes
Uses synchronous spawn in tree-kill to fix a crash on Node.js 24.
11.0.15release notes