Update CHANGELOG files and clean up remaining references

Co-authored-by: cijothomas <5232798+cijothomas@users.noreply.github.com>

Author: Copilot

opentelemetry-appender-log/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## vNext
 
+- **Breaking** Remove `spec_unstable_logs_enabled` feature flag - logger.enabled functionality is now always available.
+
 ## 0.30.0
 
 Released 2025-May-23

opentelemetry-appender-tracing/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## vNext
 
+- **Breaking** Remove `spec_unstable_logs_enabled` feature flag - logger.enabled functionality is now always available.
+
 ## 0.30.1
 
 Released 2025-June-05

opentelemetry-sdk/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - TODO: Placeholder for Span processor related things
   - *Fix* SpanProcessor::on_start is no longer called on non recording spans
+- **Breaking** Remove `spec_unstable_logs_enabled` feature flag - logger.enabled functionality is now always available.
 
 ## 0.30.0
 

opentelemetry-sdk/benches/log_enabled.rs

@@ -9,7 +9,7 @@
     | exporter_disabled_simple_processor          |  5.3 ns     |
 */
 
-// cargo bench --bench log_enabled --features="spec_unstable_logs_enabled,experimental_logs_concurrent_log_processor"
+// cargo bench --bench log_enabled --features="experimental_logs_concurrent_log_processor"
 
 use criterion::{criterion_group, criterion_main, Criterion};
 use opentelemetry::logs::{Logger, LoggerProvider};

opentelemetry/CHANGELOG.md

@@ -3,6 +3,7 @@
 ## vNext
 
 - Add `get_all` method to `opentelemetry::propagation::Extractor` to return all values of the given propagation key and provide a default implementation.
+- **Breaking** Remove `spec_unstable_logs_enabled` feature flag - logger.enabled functionality is now always available.
 
 ## 0.30.0
 

scripts/lint.sh

@@ -21,7 +21,7 @@ if rustup component add clippy && \
   cargo clippy --manifest-path=opentelemetry-prometheus/Cargo.toml --all-targets --all-features -- \
     -Dwarnings
 
-  cargo_feature opentelemetry "trace,metrics,logs,spec_unstable_logs_enabled,testing"
+  cargo_feature opentelemetry "trace,metrics,logs,testing"
 
   cargo_feature opentelemetry-otlp "default"
   cargo_feature opentelemetry-otlp "default,tls"