Release 1.29.0 (#3808)

January 2024 release.

Author: carlosalberto

CHANGELOG.md

@@ -7,6 +7,28 @@ release.
 
 ## Unreleased
 
+### Context
+
+### Traces
+
+### Metrics
+
+### Logs
+
+### Resource
+
+### OpenTelemetry Protocol
+
+### Compatibility
+
+### SDK Configuration
+
+### Common
+
+### Supplementary Guidelines
+
+## v1.29.0 (2024-01-10)
+
 ### Context & Baggage
 
 - Align definition of Baggage with W3C Specification.
@@ -19,6 +41,10 @@ release.
 
 ### Metrics
 
+- Define experimental MetricFilter as a mechanism to filter collected metrics by the MetricReader
+  ([#3566](https://github.com/open-telemetry/opentelemetry-specification/pull/3566))
+- Add optional configuration for Prometheus exporters to optionally remove unit and type suffixes.
+  ([#3777](https://github.com/open-telemetry/opentelemetry-specification/pull/3777))
 - Add optional configuration for Prometheus exporters to optionally drop `otel_scope_info` metric.
   ([#3796](https://github.com/open-telemetry/opentelemetry-specification/pull/3796))
 
@@ -32,6 +58,9 @@ release.
 
 ### SDK Configuration
 
+- Define file configuration file format and env var substitution
+  ([#3744](https://github.com/open-telemetry/opentelemetry-specification/pull/3744))
+
 ### Common
 
 - Clarify that attribute keys are case-sensitive.
@@ -54,14 +83,10 @@ release.
 
 ### Metrics
 
-- Define experimental MetricFilter as a mechanism to filter collected metrics by the MetricReader
-  ([#3566](https://github.com/open-telemetry/opentelemetry-specification/pull/3566))
 - Add optional configuration for Prometheus exporters to promote resource attributes to metric attributes
   ([#3761](https://github.com/open-telemetry/opentelemetry-specification/pull/3761))
 - Clarifications and flexibility in Exemplar speicification.
   ([#3760](https://github.com/open-telemetry/opentelemetry-specification/pull/3760))
-- Add optional configuration for Prometheus exporters to optionally remove unit and type suffixes.
-  ([#3777](https://github.com/open-telemetry/opentelemetry-specification/pull/3777))
 
 ### Logs