2.1.0

What's Changed

chore

• Post-release housekeeping. #2125 by @julianocosta89
• Add GOMEMLIMIT for Go services. #2148 by @puckpuck
• Add Docker, Cargo, Bundler, .NET to Dependabot actions. #2153 by @Red-GV
• Update maintainers and approvers. #2287 by @julianocosta89
• Bump dependant images.
  • #2318 by @julianocosta89
  • #2477 by @ps48
• Add Shenoy to Demo Approvers. #2366 by @julianocosta89

Security & CI

• Add OSSF Scorecard scanning workflow. #2138 by @opentelemetrybot
• Harden GitHub Actions (StepSecurity). #2273 by @step-security-bot
• Minimum token permissions across workflows. #2322 by @opentelemetrybot
• Fix token permission blocks. #2403 by @trask

Docs & Community

• Add the following demos featuring the Astronomy Shop to README:
  • Add SigNoz. #2136 by @Elizabeth-Mathew1
  • Add Last9. #2146 by @sahilk
  • Update AppDynamics link. #2192 by @saurabhdes
  • Add Parseable. #2404 by @Debanitrkl
  • Add ClickStack. #2429 by @gingerwizard
  • Add VictoriaMetrics. #2499 by @Amper
  • Add Tinybird. #2545 by @alrocar
  • Add Apache Doris. #2458 by @xiaokang
  • Add Causely. #2381 by @svrnm
• Update community member listings. #2296 by @opentelemetrybot, #2303 by @opentelemetrybot
• Standardize contributing section. #2313 by @trask
• Fix outdated community membership link. #2308 by @opentelemetrybot
• Fix non-descriptive CONTRIBUTING.md. #2323 by @rogercoll
• Fix non-descriptive link in test/README.md. #2325 by @rogercoll
• Add subscript to issue templates. #2418 by @opentelemetrybot

Build / Images & Base OS

• Replace Alpine base image with distroless (checkout/product-catalog). #2161 by @Red-GV
• Replace Debian with Alpine (recommendation). #2164 by @Red-GV
• Update distroless image (fraud-detection). #2170 by @Red-GV
• Image-provider: move to nonroot Alpine; later update nginx & Alpine. #2193 by @Red-GV, #2369 by @Red-GV
• Replace Debian with Alpine (quote). #2216 by @Red-GV
• Replace Debian with distroless (shipping). #2294 by @Red-GV
• Update Alpine images to 3.22. #2292 by @Red-GV
• [currency] bump Alpine images to 3.21. #2291 by @Red-GV
• Replace Alpine with distroless (payment/frontend/flagd-ui). #2224 by @Red-GV

OpenFeature / Feature Flags

• Refactor OpenFeature integration + add dependency injection. #2160 by @askpt
• Upgrade OpenFeature + change Hooks integration. #2199 by @askpt
• Upgrade OpenFeature and add new telemetry Hooks. #2332 by @askpt
• Bump Flagd; adopt semconv-compliant OTel metrics. #2392 by @cyrille-leclerc

Collector / Telemetry Pipeline

• Collector pushes via OTLP/HTTP. #2187 by @ps48
• Add OpenSearch dynamic index support. #2363 by @ps48
• Meta-monitoring exports to HTTP port. #2502 by @cyrille-leclerc

Dashboards & Observability UX

• Grafana: enable traceToLogs. #2162 by @aabmass
• Update exemplars dashboard. #2188 by @julianocosta89
• Enhanced Prometheus integration & APM dashboard. #2340 by @cyrille-leclerc
• Add PostgreSQL dashboard. #2372 by @cyrille-leclerc
• Update APM dashboards for OpenSearch logs index. #2419 by @ps48
• Add Linux dashboard. #2395 by @cyrille-leclerc
• Add host metrics per service instance (Grafana/APM). #2507 by @cyrille-leclerc
• Demo alert: CartAddItemHighLatency on p95 duration. #2401 by @cyrille-leclerc

Frontend & UI

• Update genproto image to Node 22. #2282 by @Red-GV
• React Native example: update how resource attributes are captured. #2331 by @jpmunz
• Make frontend-proxy URL configurable in React Native app. #2531 by @jpmunz
• Flagd UI Elixir rewrite. #2427 by @dottorblaster

Data / Storage

• Persist orders to PostgreSQL from accounting service. #2175 by @cuichenli

Logging

• Use pino-otlp-transport to send logs to the collector. #2352 by @cuichenli
• Frontend-proxy: add redirects for web UI paths for proper asset loading. #2476 by @ps48

Kafka

• Fix Kafka listener. #2229 by @julianocosta89

Misc Build & Tooling

• make target respects $(DOCKER_COMPOSE_ENV). #2133 by @keyoke
• Fix spelling in Dependabot config. #2165 by @Red-GV
• Remove dotnet_sdk ecosystem from Dependabot. #2217 by @Red-GV
• Add .gitignore for generated protobufs (frontend). #2373 by @jburns24
• Playwright: replace nonexistent wait_until param. #2374 by @brylee10

Services

Cart

• Record seconds (not ticks) for custom metrics. #2135 by @matt-hensley
• Generate service.instance.id by default. #2402 by @matt-hensley
• Fix IDs in cart logging. #2413 by @shantanualsi

Checkout

• Add OTel gRPC logger. #2336 by @kerneljack
• Graceful shutdown for gRPC server. #2491 by @kartikgola

Product Catalog

• Simplify span event name. #2150 by @puckpuck
• Add OTel gRPC logger. #2285 by @kerneljack

Payment

• Handle “no active span” scenario safely. #2129 by @keyoke

Shipping

• Update grpc-health-probe. #2157 by @Red-GV
• Actix Web refactor. #2214 by @julianocosta89
• Use cumulative metrics for consistency. #2503 by @cyrille-leclerc

Fraud Detection

• Fix OTel agent location. #2230 by @julianocosta89

Accounting

• Enable NuGet Audit in C# projects. #2154 by @Kielek
• Align protobuf paths with make target. #2390 by @jburns24
• Bump .NET dependencies. #2360 by @Kielek

Email

• Add memory leak scenario. #2481 by @svrnm

Image Provider

• Aadd nginx metrics receiver & dashboard. #2330 by @julianocosta89

Currency

• Use new semconv; remove unused file. #2319 by @julianocosta89

Load Generator

• Update Locust file for logging with TraceContext. #2265 by @ps48
• Split trace grouping based on workflow context. #2321 by @ps48

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Thanks

Huge thanks to all contributors who helped make this release possible! 💜

New Contributors

• @keyoke made their first contribution in #2133
• @Elizabeth-Mathew1 made their first contribution in #2136
• @sahilk made their first contribution in #2146
• @Red-GV made their first contribution in #2157
• @aabmass made their first contribution in #2162
• @askpt made their first contribution in #2160
• @ps48 made their first contribution in #2179
• @step-security-bot made their first contribution in #2273
• @kerneljack made their first contribution in #2285
• @cuichenli made their first contribution in #2175
• @cyrille-leclerc made their first contribution in #2340
• @jburns24 made their first contribution in #2373
• @brylee10 made their first contribution in #2374
• @Debanitrkl made their first contribution in #2404
• @shantanualsi made their first contribution in #2413
• @gingerwizard made their first contribution in #2429
• @xiaokang made their first contribution in #2458
• @Amper made their first contribution in #2499
• @kartikgola made their first contribution in #2491
• @alrocar made their first contribution in #2545
• @dottorblaster made their first contribution in #2427
• @erka made their first contribution in #2389

Full Changelog: 2.0.2...2.1.0