[receiver/libhoney] Libhoney allow single events

.chloggen/libhoney-allow-single-events.yaml

@@ -0,0 +1,9 @@
+change_type: bug_fix
+component: receiver/libhoney
+note: Allow single events and uncompressed requests
+issues: [44026, 44010]
+subtext: |
+  The receiver required events to be wrapped in an array before. The single-event format
+  was allowed by Honeycomb's API so we have added it here.
+  This fix also allows uncompressed requests again
+change_logs: [user]

receiver/libhoneyreceiver/factory.go

@@ -42,7 +42,7 @@ func createDefaultConfig() component.Config {
 		HTTP: configoptional.Default(HTTPConfig{
 			ServerConfig: confighttp.ServerConfig{
 				Endpoint: endpointStr,
-				// Disable default decompression middleware - we handle it internally for better error logging
+				// The empty array means no decompression attempted.
 				CompressionAlgorithms: []string{},
 			},
 			TracesURLPaths: defaultTracesURLPaths,

receiver/libhoneyreceiver/go.mod

@@ -3,7 +3,6 @@ module github.com/open-telemetry/opentelemetry-collector-contrib/receiver/libhon
 go 1.24.0
 
 require (
-	github.com/gogo/protobuf v1.3.2
 	github.com/klauspost/compress v1.18.1
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.139.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/internal/sharedcomponent v0.139.0
@@ -24,7 +23,6 @@ require (
 	go.opentelemetry.io/otel/trace v1.38.0
 	go.uber.org/goleak v1.3.0
 	go.uber.org/zap v1.27.0
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250804133106-a7a43d27e69b
 )
 
 require (
@@ -43,6 +41,7 @@ require (
 	go.opentelemetry.io/collector/receiver/xreceiver v0.139.1-0.20251117090521-8825f4331bfc // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.43.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250804133106-a7a43d27e69b // indirect
 )
 
 require (