v1.28.0

🛑 Breaking changes 🛑

• database: Add new db.response.status_code attribute, deprecate db.cosmos.status_code. (#1424)
• gen_ai: Deprecate gen_ai.prompt and gen_ai.completion attributes, introduce log-based events for GenAI inputs and outputs. (#834, #980)
• system: Make system.cpu.utilization and process.cpu.utilization opt-in (#1130)
• messaging: Mark *.size messaging attributes as opt-in (#474)

🚩 Deprecations 🚩

• event: Remove support for the event fields supporting referencing / inheriting fields from global attributes. (#1341)

🚀 New components 🚀

• cloudfoundry: Adds a resource convention for Cloud Foundry applications and system components. (#622, #624)
  Introduces a description for CloudFoundry resources. These can either be
  applications deployed on the runtime or system components of Cloud Foundry
  itself. It also extends to the runtime logs and metrics, e.g. Gorouter access
  logs and container metrics.

• dotnet: Adds experimental metrics for the .NET Common Language Runtime (CLR). (#956)

• profile: Introduce semantic convention for OTel Profiles. (#1188)

💡 Enhancements 💡

• db: Mark database semantic conventions as release candidate (#1101)

• messaging: Define span kind for unspecified cases of messaging publish and process spans. (#1112)

• db: Change description of db.client.connection.pending_requests from cumulative to current value (#1290)

• docs: Add note on tooling limitations for attribute names and enforce name format. (#1124)

• az, db: Define db.operation.name values for Cosmos DB, declare az.namespace attribute and add proper reference to it. (#1330)

• db: Recommend to capture db.namespace from initial connection over not capturing any, also specify db.namespace value for PostgreSQL, MySQL and MariaDB (#1437)

• messaging: Add recommendation to report "Create" spans for batch send calls only and to allow to disable "Create" spans.
  (#1273)

• other: Update resource to include stability in the YAML file (#1399)
  Makes the following changes:

  • Require name on resource groups.
  • Enforce backwards compatibility stability requirements on resource groups.
  • Rename telemetry to telemetry.sdk, attributes are unchanged.
  • Mark telemetry.sdk and resource as stable in YAML model.
  • Markdown templates for resource groups NOW includes header describing
    the resource type, stability and description.

• process: Add additional process fields from ECS (#993)

• container: Add container.cpu.usage metric (#1128)

• container: Add CSI (Container Storage Interface) attributes: container.csi.plugin.name and container.csi.volume.id. (#1119)

• system: Add the system.filesystem.limit metric (#127)

• k8s: Add k8s.pod.cpu.time, k8s.pod.cpu.usage, k8s.node.cpu.time, k8s.node.cpu.usage metrics (#1320)

• k8s: Add k8s.pod.memory usage and k8s.node.memory.usage metrics (#1406)

• k8s: Adds k8s.volume.name and k8s.volume.type attributes to the registry (#1164)

• os: add lookup for os.build_id (#1318)

• gen_ai: Add system specific conventions for OpenAI. (#1370)

• system: Add the system.disk.limit metric (#127)

• file: Add additional attributes from ECS to the file namespace. (#914)

• messaging: Clarify the possibility to have a parent-child trace structure in messaging conventions (#1282)

• nodejs: Adding nodejs.eventloop.time metric to Node.js runtime metrics. (#1259)

• process: Extend process.executable with build_id attributes. (#1329)
  For correct symbolization it is important to uniquely identify executables.

• messaging: Change messaging.operation.type = publish to messaging.operation.type = send (#1285)

• host: update lookup for os.build_id (#1396)

🧰 Bug fixes 🧰

• messaging: Fix deprecated note for service bus attributes (#1418)
• container: Fixes broken link (#1332)

New Contributors

• @MadVikingGod made their first contribution in #1334
• @florianl made their first contribution in #1188
• @johantiden made their first contribution in #1378
• @NathanBaulch made their first contribution in #1379
• @gdvalle made their first contribution in #1388
• @ysolomchenko made their first contribution in #1374
• @KarstenSchnitter made their first contribution in #624
• @mamwl1 made their first contribution in #1422

Full Changelog: v1.27.0...v1.28.0