merjs v0.2.5

Release page: https://merlionjs.com/v0.2.5

Highlights

• release dashboard and benchmark storytelling for v0.2.5
• improved mercss design-system primitives: badges, surface cards, metric tiles, graph fills
• worker-safe mer API surface for wasm32-freestanding builds
• fixed rapid restart bind issue with reuse_address = true (PR #93)
• fixed worker deploy wiring and Zig 0.16 WASM grep compatibility
• mercss JIT codegen pipeline writes _mercss.css and injects it through layout

Runtime numbers

• 115,093 req/s homepage throughput
• 0.39 ms average latency
• 4.8 MB RAM under CI load
• 260 KB release binary

Release assets

• macOS binaries are Developer ID signed and Apple notarized using the codedb-notary keychain profile
• Linux binaries are attached for x86_64 and aarch64
• Windows binaries are attached for x86_64 and aarch64
• hosted installer tested successfully from https://merjs.trilok.ai/install.sh
• installer release asset matches the hosted installer logic

Credits

• includes Ivan Leo's socket reuse fix from PR #93: #93
• thanks @ivanleomk

Contributors

• @ivanleomk

What's Changed

• Fix public runtime re-exports for consumer projects by @justrach in #70

Full Changelog: v0.2.1...v0.2.2

Contributors

• @justrach

What's Changed

• fix: make routes.zig a named module for consumer override (#62) by @justrach in #63
• feat: kuri browser automation sidecar for debug mode by @justrach in #64
• feat: integrate turboapi-core shared Zig library (v0.2.1) by @justrach in #68

Full Changelog: v0.2.0...v0.2.1

Contributors

• @justrach

Full Changelog: v0.1.1...v0.2.0

What's new

Bug fix: wasm/ missing from package paths

wasm/counter_config.zig was not included in the published package because wasm/ was not listed in .paths in build.zig.zon. Consumers using merjs as a Zig dependency had to manually patch the cached package to build. Fixed.

New: wavetable synthesizer demo

• wasm/synth.zig — 150-line Zig DSP engine: sine/square/saw/tri wavetables, 8-voice polyphony, ADSR envelope, one-pole lowpass filter, zero heap allocations, compiled to 6.8KB wasm32
• app/synth.zig — full dark-theme synth UI with AudioWorklet integration, oscilloscope canvas, piano keyboard (C3–B4), ADSR + filter sliders
• Live at merlionjs.com/synth

CSP update

Added wasm-unsafe-eval and blob: to script-src in both the dev server and Cloudflare Workers handler, required for AudioWorklet + WebAssembly.Module support.

What's Changed

• feat: JSX-like HTML builder + migrate index.zig by @justrach in #8
• feat: migrate counter.zig to HTML builder DSL + Meta SEO by @justrach in #13
• feat: Dhi-style comptime counter config with bounds validation by @justrach in #14
• feat: enforce Meta SEO on all pages + migrate dashboard/users/weather to layout by @justrach in #19
• feat: auth integration (cookies, SSR fetch, env, login/connected pages) by @justrach in #22
• feat: signed session cookies (HMAC-SHA256, issue #24) by @justrach in #31
• feat: dynamic route segments [slug] (issue #25) by @justrach in #32
• feat: mer CLI, versioning, binary optimization, pre-commit hooks by @justrach in #35

New Contributors

• @justrach made their first contribution in #8

Full Changelog: https://github.com/justrach/merjs/commits/v0.1.0

Contributors

• @justrach

merjs v0.1.0 — Release Candidate 1

Downloads

Install

# macOS (Apple Silicon)
curl -L https://github.com/justrach/merjs/releases/download/v0.1.0-rc.1/mer-macos-aarch64 -o mer
chmod +x mer
sudo mv mer /usr/local/bin/
# Then:
mer init my-app
cd my-app
mer dev

Verify download

shasum -a 256 mer-*
# Compare with checksums.txt

What's new

• mer CLI — scaffold, dev, and build merjs projects
  • mer init <name> — scaffold a new project from starter template
  • mer dev — codegen + dev server in one command
  • mer build — production build (ReleaseSmall + prerender)
  • mer --version — print version
• Binary size: 1.9MB → 260KB (main server), 66-131KB (CLI) via release stripping
• LCP improvements: Content-Length headers, image preloading, fetchpriority
• Pre-commit hooks: zig fmt --check + zig build on commit, tests on push
• Versioning: CHANGELOG.md, mer.version constant

Note on macOS Gatekeeper

If macOS blocks the binary, run:

xattr -d com.apple.quarantine mer

Full changelog: https://github.com/justrach/merjs/blob/feat/cli-versioning-perf/CHANGELOG.md