Release 1.52.0 (#4781)

### Context

- Make the W3C randomness flag required.

([#4761](#4761))

### Traces

- Deprecate Zipkin exporter document and make exporter implementation
optional.

([#4715](#4715))
- Add spec for `AlwaysRecord` sampler

([#4699](#4699))

### Metrics

- Stabilize `Enabled` API for synchronous instruments.

([#4746](#4746))
- Allow instrument `Enabled` implementation to have additional
optimizations and features.

([#4747](#4747))

### Logs

- Stabilize `LogRecordProcessor.Enabled`.

([#4717](#4717))

### SDK Configuration

- Clarifies that guidance related to boolean environment variables is
not applicable
to other configuration interfaces.
([#4723](#4723))

---------

Co-authored-by: Armin Ruech <7052238+arminru@users.noreply.github.com>

Author: carlosalberto

CHANGELOG.md

@@ -11,23 +11,10 @@ release.
 
 ### Traces
 
-- Deprecate Zipkin exporter document and make exporter implementation optional.
-  ([#4715](https://github.com/open-telemetry/opentelemetry-specification/pull/4715/))
-- Add spec for `AlwaysRecord` sampler
-  ([#4699](https://github.com/open-telemetry/opentelemetry-specification/pull/4699))
-
 ### Metrics
 
-- Stabilize `Enabled` API for synchronous instruments.
-  ([#4746](https://github.com/open-telemetry/opentelemetry-specification/pull/4746))
-- Allow instrument `Enabled` implementation to have additional optimizations and features.
-  ([#4747](https://github.com/open-telemetry/opentelemetry-specification/pull/4747))
-
 ### Logs
 
-- Stabilize `LogRecordProcessor.Enabled`.
-  ([#4717](https://github.com/open-telemetry/opentelemetry-specification/pull/4717))
-
 ### Baggage
 
 ### Profiles
@@ -42,15 +29,43 @@ release.
 
 ### SDK Configuration
 
-- Clarifies that guidance related to boolean environment variables is not applicable
-  to other configuration interfaces. ([#4723](https://github.com/open-telemetry/opentelemetry-specification/pull/4723))
-
 ### Common
 
 ### Supplementary Guidelines
 
 ### OTEPs
 
+## v1.52.0 (2025-12-12)
+
+### Context
+
+- Make the W3C randomness flag required.
+  ([#4761](https://github.com/open-telemetry/opentelemetry-specification/pull/4761))
+
+### Traces
+
+- Deprecate Zipkin exporter document and make exporter implementation optional.
+  ([#4715](https://github.com/open-telemetry/opentelemetry-specification/pull/4715/))
+- Add spec for `AlwaysRecord` sampler
+  ([#4699](https://github.com/open-telemetry/opentelemetry-specification/pull/4699))
+
+### Metrics
+
+- Stabilize `Enabled` API for synchronous instruments.
+  ([#4746](https://github.com/open-telemetry/opentelemetry-specification/pull/4746))
+- Allow instrument `Enabled` implementation to have additional optimizations and features.
+  ([#4747](https://github.com/open-telemetry/opentelemetry-specification/pull/4747))
+
+### Logs
+
+- Stabilize `LogRecordProcessor.Enabled`.
+  ([#4717](https://github.com/open-telemetry/opentelemetry-specification/pull/4717))
+
+### SDK Configuration
+
+- Clarifies that guidance related to boolean environment variables is not applicable
+  to other configuration interfaces. ([#4723](https://github.com/open-telemetry/opentelemetry-specification/pull/4723))
+
 ## v1.51.0 (2025-11-17)
 
 ### Metrics