Releases

Current Release: v0.38.0

Released: 2026-06-30

What’s New

Added

Focused eval suggestions — waza suggest can target specific coverage gaps with --count, --focus, --dry-run, --apply, and --force (#357, #380).
Per-turn checkpoint graders — Task YAML can assert intermediate multi-turn state with checkpoints[] (#358, #386).
Rubric preset library — Prompt graders can reuse built-in rubrics for groundedness, helpfulness, instruction following, refusal correctness, and tool-use appropriateness (#360, #381).
Spec verification — waza spec verify checks that eval tasks cover the executable contract in SKILL.md (#361, #385).
OpenTelemetry export — waza run --otel-* flags export eval, task, turn, model-call, and tool-call spans (#362, #383).
MCP server mocks — eval.yaml can define mcp_mocks: for hermetic Copilot SDK evals (#363, #387).
Regression gates — waza gate compares current results with a baseline and exits 0/1/2/3 for pass, regression, golden failure, or config error (#364, #384).
Adversarial harness — waza adversarial runs prompt-injection and scope-bypass packs, optionally configured by adversarial: in eval YAML (#365, #392).
Tool metrics and argument matchers — Results include normalized tool_events[]; graders can use structured expect_tools[].args and tool_calls.expect[].args matchers (#366, #388).
Snapshot and replay — waza run --snapshot captures task snapshots and waza replay checks them offline or bisects divergent runs (#367, #391).
Schema semver policy — schemaVersion uses MAJOR.MINOR compatibility rules, documented in the schema changelog (#368, #382).
Dashboard SSE resume — /api/v1/runs/{runId}/events and legacy /api/events support Last-Event-ID and lastEventId resume (#178, #397).

Changed

Internal refactor — Phase 1 internal cleanup landed without user-facing CLI or schema changes (#10).

Previous highlighted release: v0.35.0

Released: 2026-06-06

What’s New

Added

Copilot SDK v1.0.0 upgrade — Upgraded to Copilot SDK v1.0.0 and the dashboard now surfaces premium-request credits.
Model-aware dashboard pricing — Dashboard cost calculation applies per-model pricing for more accurate run costs.
Git worktree resources in task inputs — Tasks can reference git worktree resources as inputs.

Download Binaries

Pre-built binaries for all major platforms:

Platform	Architecture	Download
macOS	Apple Silicon (ARM64)	waza-darwin-arm64
macOS	Intel (AMD64)	waza-darwin-amd64
Linux	x64 (AMD64)	waza-linux-amd64
Linux	ARM64	waza-linux-arm64
Windows	x64 (AMD64)	waza-windows-amd64.exe
Windows	ARM64	waza-windows-arm64.exe

curl -fsSL https://raw.githubusercontent.com/microsoft/waza/main/install.sh | bash

On Windows, use this command only from Git Bash, MSYS2, or Cygwin. If PowerShell pipes to WSL’s bash.exe, the script installs the Linux binary inside WSL.

irm https://raw.githubusercontent.com/microsoft/waza/main/install.ps1 | iex

The installers choose the latest standalone waza CLI release, download the matching binary, verify the checksum, and install it. You can also download the Windows binary from the standalone waza release, rename it to waza.exe, and place it in a directory on your PATH.

Verify the installation:

waza --version

azd Extension

Install waza as an Azure Developer CLI extension.

Current version: v0.38.0

azd extension install azd-waza \
  --source https://github.com/microsoft/waza/releases/download/azd-ext-microsoft-azd-waza_0.38.0/azd-ext-microsoft-azd-waza_0.38.0.tar.gz

Once installed, run evaluations through azd:

azd waza run eval.yaml

Previous Releases

For older versions, changelogs, and pre-release builds, see the full GitHub Releases page.