v1.21.0

Changelog

Features

• 4ef067e: feat: add and test default values for API and logging configuration (#861) (@appleboy)

Bug fixes

• de03c55: fix(rpc): replace deprecated grpc with @grpc/grpc-js to resolve vulnerabilities (@appleboy)

Enhancements

• bef0546: chore: update and streamline Go module dependencies (@appleboy)
• 5a3ab80: chore: upgrade Go version to 1.24.11 across project and deploy configs (@appleboy)
• d3ed833: chore(gitignore): add .claude directory to ignore list (@appleboy)
• 0383759: chore(deps): upgrade Go to 1.25 and update all dependencies (@appleboy)
• efe1422: chore(deps): bump OpenTelemetry packages from v1.39.0 to v1.42.0 (@appleboy)

Refactor

• 1ad8730: refactor(lint): fix all golangci-lint v2 warnings across codebase (@appleboy)

Build process updates

• d9a9df1: ci: update GitHub actions versions for workflows and linting (@appleboy)
• f5e79a1: build: switch to golangci-lint for formatting and linting (@appleboy)
• c506f67: ci: skip Docker registry login on pull request events (#860) (@appleboy)
• b0cb8fa: ci: upgrade golangci-lint-action version in CI workflow (@appleboy)
• 2234c29: ci(workflows): upgrade all GitHub Actions to latest versions (@appleboy)

Documentation updates

• f1c70ef: docs: refine documentation formatting and structure consistency (@appleboy)
• fc1afa5: docs: refactor documentation structure and enhance contents navigation (@appleboy)
• caf028e: docs: standardize documentation section headings and formatting (@appleboy)
• 0123df7: docs(claude): improve CLAUDE.md with request flow and dev commands (@appleboy)

Others

• 5e1d4e0: style: refine nolint usage for improved code clarity (@appleboy)
• e68b77f: add typed Platform enum and LogBlock with JSON/Text codecs; keep legacy constants (#853) (@miladev95)
• c44106c: test: add Platform to PushNotification tests for topic scenarios (@appleboy)