Merge branch 'main' into docs/exponent-mapping-edge-case-assumptions

Author: xrmx

.github/workflows/stale.yml

@@ -0,0 +1,35 @@
+name: Mark stale PRs
+
+on:
+  schedule:
+    - cron: "12 3 * * *"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  stale:
+    permissions:
+      contents: read
+      issues: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@b5d41d4e1d5dceea10e7104786b73624c18a190f # v10.2.0
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          days-before-pr-stale: 14
+          days-before-pr-close: 14
+          days-before-issue-stale: -1
+          days-before-issue-close: -1
+          stale-pr-message: >
+            This PR has been automatically marked as stale because it has not had
+            any activity for 14 days. It will be closed if no further activity
+            occurs within 14 days of this comment.
+
+            If you're still working on this, please add a comment or push new commits.
+          close-pr-message: >
+            This PR has been closed due to inactivity. Please reopen if you would
+            like to continue working on it.
+          exempt-pr-labels: "hold,WIP,blocked by spec,do not merge"

.pylintrc

@@ -11,7 +11,7 @@ ignore=CVS,gen,proto
 
 # Add files or directories matching the regex patterns to be excluded. The
 # regex matches against base names, not paths.
-ignore-patterns=
+ignore-patterns=^models\.py$
 
 # Python code to execute, usually for sys.path manipulation such as
 # pygtk.require().

CHANGELOG.md

@@ -12,6 +12,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## Version 1.40.0/0.61b0 (2026-03-04)
+
+- `opentelemetry-sdk`: deprecate `LoggingHandler` in favor of `opentelemetry-instrumentation-logging`, see `opentelemetry-instrumentation-logging` documentation
+  ([#4919](https://github.com/open-telemetry/opentelemetry-python/pull/4919))
+- `opentelemetry-sdk`: Clarify log processor error handling expectations in documentation
+  ([#4915](https://github.com/open-telemetry/opentelemetry-python/pull/4915))
+- bump semantic-conventions to v1.40.0
+  ([#4941](https://github.com/open-telemetry/opentelemetry-python/pull/4941))
+- Add stale PR GitHub Action
+  ([#4926](https://github.com/open-telemetry/opentelemetry-python/pull/4926))
+- `opentelemetry-sdk`: Drop unused Jaeger exporter environment variables (exporter removed in 1.22.0)
+  ([#4918](https://github.com/open-telemetry/opentelemetry-python/issues/4918))
 - `opentelemetry-sdk`: Clarify timeout units in environment variable documentation
   ([#4906](https://github.com/open-telemetry/opentelemetry-python/pull/4906))
 - `opentelemetry-exporter-otlp-proto-grpc`: Fix re-initialization of gRPC channel on UNAVAILABLE error
@@ -32,6 +44,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4806](https://github.com/open-telemetry/opentelemetry-python/pull/4806))
 - Prevent possible endless recursion from happening in `SimpleLogRecordProcessor.on_emit`,
   ([#4799](https://github.com/open-telemetry/opentelemetry-python/pull/4799)) and ([#4867](https://github.com/open-telemetry/opentelemetry-python/pull/4867)).
+- Implement span start/end metrics
+  ([#4880](https://github.com/open-telemetry/opentelemetry-python/pull/4880))
 - Add environment variable carriers to API
   ([#4609](https://github.com/open-telemetry/opentelemetry-python/pull/4609))
 - Add experimental composable rule based sampler
@@ -40,10 +54,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4862](https://github.com/open-telemetry/opentelemetry-python/pull/4862))
 - `opentelemetry-exporter-otlp-proto-http`: fix retry logic and error handling for connection failures in trace, metric, and log exporters
   ([#4709](https://github.com/open-telemetry/opentelemetry-python/pull/4709))
+- `opentelemetry-sdk`: avoid RuntimeError during iteration of view instrument match dictionary in MetricReaderStorage.collect()
+  ([#4891](https://github.com/open-telemetry/opentelemetry-python/pull/4891))
 - Implement experimental TracerConfigurator
   ([#4861](https://github.com/open-telemetry/opentelemetry-python/pull/4861))
+- `opentelemetry-sdk`: Fix instrument creation race condition
+  ([#4913](https://github.com/open-telemetry/opentelemetry-python/pull/4913))
 - bump semantic-conventions to v1.39.0
   ([#4914](https://github.com/open-telemetry/opentelemetry-python/pull/4914))
+- `opentelemetry-sdk`: automatically generate configuration models using OTel config JSON schema
+  ([#4879](https://github.com/open-telemetry/opentelemetry-python/pull/4879))
 
 ## Version 1.39.0/0.60b0 (2025-12-03)
 

CONTRIBUTING.md

@@ -291,6 +291,12 @@ Please fork this repo in a personal Github account instead.
 
 One of the maintainers will merge the PR once it is **ready to merge**.
 
+### Stale PRs
+
+PRs with no activity for 14 days will be automatically marked as stale and closed after a further 14 days of inactivity. To prevent a PR from being marked stale, ensure there is regular activity (commits, comments, reviews, etc).
+
+Project managers can also exempt a PR from this by applying one of the following labels: `hold`, `WIP`, `blocked by spec`, `do not merge`.
+
 ## Design Choices
 
 As with other OpenTelemetry clients, opentelemetry-python follows the

README.md

@@ -116,6 +116,7 @@ For more information about the maintainer role, see the [community repository](h
 - [Héctor Hernández](https://github.com/hectorhdzg), Microsoft
 - [Jeremy Voss](https://github.com/jeremydvoss), Microsoft
 - [Liudmila Molkova](https://github.com/lmolkova), Grafana Labs
+- [Lukas Hering](https://github.com/herin049), Capital One
 - [Owais Lone](https://github.com/owais), Splunk
 - [Pablo Collins](https://github.com/pmcollins), Splunk
 - [Shalev Roda](https://github.com/shalevr), Cisco

docs/examples/logs/example.py

@@ -5,7 +5,10 @@
 from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
     OTLPLogExporter,
 )
-from opentelemetry.sdk._logs import LoggerProvider, LoggingHandler
+
+# this is available in the opentelemetry-instrumentation-logging package
+from opentelemetry.instrumentation.logging.handler import LoggingHandler
+from opentelemetry.sdk._logs import LoggerProvider
 from opentelemetry.sdk._logs.export import BatchLogRecordProcessor
 from opentelemetry.sdk.resources import Resource
 from opentelemetry.sdk.trace import TracerProvider

docs/examples/opencensus-shim/app.py

@@ -31,7 +31,7 @@
 
 # Set up OpenTelemetry
 tracer_provider = TracerProvider(
-    resource=Resource(
+    resource=Resource.create(
         {
             "service.name": "opencensus-shim-example-flask",
         }

docs/exporter/prometheus/prometheus.rst

@@ -27,7 +27,7 @@ Prometheus text format on request::
     from opentelemetry.sdk.resources import SERVICE_NAME, Resource
 
     # Service name is required for most backends
-    resource = Resource(attributes={
+    resource = Resource.create(attributes={
         SERVICE_NAME: "your-service-name"
     })
 

eachdist.ini

@@ -11,7 +11,7 @@ sortfirst=
     exporter/*
 
 [stable]
-version=1.40.0.dev
+version=1.41.0.dev
 
 packages=
     opentelemetry-sdk
@@ -27,7 +27,7 @@ packages=
     opentelemetry-api
 
 [prerelease]
-version=0.61b0.dev
+version=0.62b0.dev
 
 packages=
     opentelemetry-opentracing-shim

exporter/opentelemetry-exporter-opencensus/pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
   "grpcio >= 1.66.2, < 2.0.0; python_version == '3.13'",
   "grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'",
   "opencensus-proto >= 0.1.0, < 1.0.0",
-  "opentelemetry-api >= 1.40.0.dev",
+  "opentelemetry-api >= 1.41.0.dev",
   "opentelemetry-sdk >= 1.15",
   "protobuf ~= 3.13",
   "setuptools >= 16.0",