Amber v2.0.0-beta.2 and v2.0.0-beta.1 released!

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Amber v2.0.0-beta.2 and v2.0.0-beta.1 has been released.

Amber 2.0.0-beta.2

Amber 2.0.0-beta.2 supersedes beta.1 for new Amber CLI web applications.
It keeps the same public beta surface and fixes application startup on Crystal
1.21’s default multithreaded runtime.

Compatibility fix

• Replaced the server cluster launcher’s Process.fork reference with portable
  process spawning.
• Release-gated on Apple Silicon macOS and x86_64 Linux with Crystal 1.21.
• Fresh ECR web apps are tested through dependency installation, specs, core
  generators, build, server launch, homepage delivery, and static CSS.

Install and create a web app

Install Amber CLI 2.0.2 or newer:

brew install amberframework/amber_cli/amber_cli
amber new my_app --type web
cd my_app
crystal spec
amber watch

The generated application pins amberframework/amber at 2.0.0-beta.2 and
uses ECR. Database drivers, persistence, auth, Grant, Gemma, Asset Pipeline,
and native application generation remain opt-in preview surfaces rather than
part of the core beta release gate.

See the beta installation guide
and V1 to V2 migration guide.

Please report framework issues at
https://github.com/amberframework/amber/issues and CLI/template/install issues
at https://github.com/amberframework/amber_cli/issues.

Link: Release Amber 2.0.0-beta.2 · amberframework/amber · GitHub

Amber 2.0.0-beta.1

Amber V2’s first public beta establishes a tested, documented path for creating
an ECR web application with the standalone Amber CLI.

This is a prerelease. Expect breaking changes before Amber 2.0.0 and do not use
it for production workloads that cannot tolerate them.

Install and create a web app

Install Amber CLI 2.0.2 or newer:

brew install amberframework/amber_cli/amber_cli
amber new my_app --type web
cd my_app
crystal spec
amber watch

See the beta installation guide
for direct archives, checksums, update/uninstall steps, and troubleshooting.

Release-gated surface

• Apple Silicon macOS and x86_64 Linux
• Homebrew and matching direct CLI archives
• ECR web application generation
• dependency installation, specs, application build, server start, homepage,
  and static CSS
• framework core, routing, typed configuration, Schema API, jobs, mailer,
  WebSockets, adapters, and testing helpers

Major V2 changes

• CLI and LSP extracted to amberframework/amber_cli
• ECR is the only supported view engine; Kilt and Slang were removed
• runtime shard dependencies removed from framework core
• database drivers and ORM are explicit application choices
• typed, sectioned YAML with environment-variable overrides
• built-in jobs, mailer, Schema API, and adapter-backed infrastructure

Read the V1 to V2 migration guide
before upgrading an existing application.

Preview surfaces

Persistence/auth/API-resource generators, Grant integration, Gemma attachments,
the separate Asset Pipeline, and native app generation are not part of the
core beta release gate. Intel macOS, Linux ARM64, and Windows do not have
release-gated CLI archives in this beta.

Please report framework issues at
https://github.com/amberframework/amber/issues and CLI/template/install iss…

Link: Release Amber 2.0.0-beta.1 (superseded by beta.2) · amberframework/amber · GitHub