From c78f6bd5a6e3d54d34f20668ee43389497e10346 Mon Sep 17 00:00:00 2001
From: Pavlos Rontidis <pavlos.rontidis@gmail.com>
Date: Mon, 18 Aug 2025 15:46:46 -0400
Subject: [PATCH 1/4] Revert "chore(codecs protobuf): allow all telemetry types
 (#23550)"

This reverts commit f9d2800d873d2e5a15b1920ad49c7e357702a890.
---
 .github/workflows/semantic.yml             | 1 -
 lib/codecs/src/decoding/format/protobuf.rs | 2 +-
 lib/codecs/src/encoding/format/protobuf.rs | 2 +-
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/semantic.yml b/.github/workflows/semantic.yml
index 99c6cf0d66b83..b7d6edf2b5212 100644
--- a/.github/workflows/semantic.yml
+++ b/.github/workflows/semantic.yml
@@ -37,7 +37,6 @@ jobs:
             ci
             cli
             codecs
-            codecs protobuf
             compression
             config
             config provider
diff --git a/lib/codecs/src/decoding/format/protobuf.rs b/lib/codecs/src/decoding/format/protobuf.rs
index cacd7912b9cbc..26330028d26aa 100644
--- a/lib/codecs/src/decoding/format/protobuf.rs
+++ b/lib/codecs/src/decoding/format/protobuf.rs
@@ -33,7 +33,7 @@ impl ProtobufDeserializerConfig {
 
     /// Return the type of event build by this deserializer.
     pub fn output_type(&self) -> DataType {
-        DataType::all_bits()
+        DataType::Log
     }
 
     /// The schema produced by the deserializer.
diff --git a/lib/codecs/src/encoding/format/protobuf.rs b/lib/codecs/src/encoding/format/protobuf.rs
index 9d65ede9f7f60..c014a529455e1 100644
--- a/lib/codecs/src/encoding/format/protobuf.rs
+++ b/lib/codecs/src/encoding/format/protobuf.rs
@@ -30,7 +30,7 @@ impl ProtobufSerializerConfig {
 
     /// The data type of events that are accepted by `ProtobufSerializer`.
     pub fn input_type(&self) -> DataType {
-        DataType::all_bits()
+        DataType::Log
     }
 
     /// The schema required by the serializer.

From 045939e021f4d9db300ef1f9a05a4872828fdc8a Mon Sep 17 00:00:00 2001
From: Pavlos Rontidis <pavlos.rontidis@gmail.com>
Date: Mon, 18 Aug 2025 15:59:02 -0400
Subject: [PATCH 2/4] add known issue

---
 website/cue/reference/releases/0.49.0.cue | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/website/cue/reference/releases/0.49.0.cue b/website/cue/reference/releases/0.49.0.cue
index 02067f0901c3f..b734b494ad555 100644
--- a/website/cue/reference/releases/0.49.0.cue
+++ b/website/cue/reference/releases/0.49.0.cue
@@ -6,6 +6,16 @@ releases: "0.49.0": {
 
 	whats_next: []
 
+	known_issues: [
+		"""
+			The protobuf codecs do not support all telemetry types. Specifically the current status is the following:
+			- Decoder: supports logs.
+			- Encoder: supports logs and traces.
+
+			Metrics are not supported. Any future updates will be noted in changelogs.
+			""",
+	]
+
 	description: """
 		The Vector team is excited to announce version `0.49.0`!
 

From 35fcbc9fdae98cf1bc9a80f55bb7557029e99a4a Mon Sep 17 00:00:00 2001
From: Pavlos Rontidis <pavlos.rontidis@gmail.com>
Date: Mon, 18 Aug 2025 15:59:19 -0400
Subject: [PATCH 3/4] encoder supports traces too

---
 lib/codecs/src/encoding/format/protobuf.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/codecs/src/encoding/format/protobuf.rs b/lib/codecs/src/encoding/format/protobuf.rs
index c014a529455e1..f2dbd8f942dec 100644
--- a/lib/codecs/src/encoding/format/protobuf.rs
+++ b/lib/codecs/src/encoding/format/protobuf.rs
@@ -30,7 +30,7 @@ impl ProtobufSerializerConfig {
 
     /// The data type of events that are accepted by `ProtobufSerializer`.
     pub fn input_type(&self) -> DataType {
-        DataType::Log
+        DataType::Log | DataType::Trace
     }
 
     /// The schema required by the serializer.

From 676beac1b0e7a7e52989af1d75dabe1b4f7474e4 Mon Sep 17 00:00:00 2001
From: Pavlos Rontidis <pavlos.rontidis@gmail.com>
Date: Mon, 18 Aug 2025 16:22:09 -0400
Subject: [PATCH 4/4] Update website/cue/reference/releases/0.49.0.cue

Co-authored-by: Rosa Trieu <107086888+rtrieu@users.noreply.github.com>
---
 website/cue/reference/releases/0.49.0.cue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/website/cue/reference/releases/0.49.0.cue b/website/cue/reference/releases/0.49.0.cue
index b734b494ad555..89e09b1023b45 100644
--- a/website/cue/reference/releases/0.49.0.cue
+++ b/website/cue/reference/releases/0.49.0.cue
@@ -8,7 +8,7 @@ releases: "0.49.0": {
 
 	known_issues: [
 		"""
-			The protobuf codecs do not support all telemetry types. Specifically the current status is the following:
+			The protobuf codecs do not support all telemetry types. Specifically, the following applies:
 			- Decoder: supports logs.
 			- Encoder: supports logs and traces.