Prepare v0.28.0 (open-telemetry#2635)

Author: lalitb

CHANGELOG.md

@@ -2,9 +2,16 @@
 
 ## vNext
 
-- Bump msrv to 1.75.0.
 - New experimental feature to use trace\_id & span\_id from spans created through the [tracing](https://crates.io/crates/tracing) crate (experimental_use_tracing_span_context) [#2438](https://github.com/open-telemetry/opentelemetry-rust/pull/2438)
 
+
+## 0.28.0
+
+Released 2025-Feb-10
+
+- Update `opentelemetry` dependency version to 0.28.
+- Bump msrv to 1.75.0.
+
 ## 0.27.0
 
 Released 2024-Nov-11

Cargo.toml

@@ -12,12 +12,12 @@ rust-version = "1.75.0"
 
 [dependencies]
 log = { workspace = true, optional = true }
-opentelemetry = { version = "0.27", path = "../opentelemetry", features = ["logs"] }
+opentelemetry = { version = "0.28", path = "../opentelemetry", features = ["logs"] }
 tracing = { workspace = true, features = ["std"]}
 tracing-core = { workspace = true }
 tracing-log = { version = "0.2", optional = true }
 tracing-subscriber = { workspace = true, features = ["registry", "std"] }
-tracing-opentelemetry = { version = "0.28", optional = true }
+#tracing-opentelemetry = { version = "0.28", optional = true }
 
 [dev-dependencies]
 log = { workspace = true }
@@ -32,9 +32,11 @@ tokio = { workspace = true, features = ["full"]}
 pprof = { version = "0.14", features = ["flamegraph", "criterion"] }
 
 [features]
+default = []
 experimental_metadata_attributes = ["dep:tracing-log"]
 spec_unstable_logs_enabled = ["opentelemetry/spec_unstable_logs_enabled"]
-experimental_use_tracing_span_context = ["tracing-opentelemetry"]
+# TODO - Enable this in 0.28.1 (once tracing-opentelemetry v0.29 is released)
+#experimental_use_tracing_span_context = ["tracing-opentelemetry"]
 
 
 [[bench]]

src/layer.rs

@@ -180,7 +180,7 @@ where
         // Visit fields.
         event.record(&mut visitor);
 
-        #[cfg(feature = "experimental_use_tracing_span_context")]
+        /*#[cfg(feature = "experimental_use_tracing_span_context")]
         if let Some(span) = _ctx.event_span(event) {
             use tracing_opentelemetry::OtelData;
             let opt_span_id = span
@@ -198,7 +198,7 @@ where
             if let Some((trace_id, span_id)) = opt_trace_id.zip(opt_span_id) {
                 log_record.set_trace_context(trace_id, span_id, None);
             }
-        }
+        } */
 
         //emit record
         self.logger.emit(log_record);
@@ -516,7 +516,7 @@ mod tests {
         }
     }
 
-    #[cfg(feature = "experimental_use_tracing_span_context")]
+    /*#[cfg(feature = "experimental_use_tracing_span_context")]
     #[test]
     fn tracing_appender_inside_tracing_crate_context() {
         use opentelemetry_sdk::trace::InMemorySpanExporterBuilder;
@@ -575,7 +575,7 @@ mod tests {
         assert_eq!(trace_ctx1.trace_id, trace_id);
         assert_eq!(trace_ctx0.span_id, outer_span_id);
         assert_eq!(trace_ctx1.span_id, inner_span_id);
-    }
+    }*/
 
     #[test]
     fn tracing_appender_standalone_with_tracing_log() {