diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d61b8f..7b729f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## [1.27.0] - 2021-06-03 - Seongmodo (석모도, 席毛島)
+
+### Added
+
+- Message structures related to Container service sessions in `v2` and `pkg`.
+- `session.Token` and `Signature` to `pkg/container.Container` and `pkg/acl/eacl.Table`.
+- `Conn` method of clients to get the underlying connection.
+- `WithTLSConfig` client option to specify TLS configuration.
+- `WithNetworkURIAddress` client option to specify URI of the remote server.
+- Generators of random container IDs, owner IDs and session tokens (for testing).
+
+### Replaced
+
+- `pkg/token.SessionToken` type to `pkg/session` package as `Token`. Old type is deprecated.
+- `pkg/container.ID` type to `pkg/container/id` package. Old type is deprecated.
+
+### Updated
+
+- NEO Go library to v0.95.1.
+
 ## [1.26.1] - 2021-05-19
 
 ### Changed
@@ -605,3 +625,4 @@ Initial public release
 [1.25.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.24.0...v1.25.0
 [1.26.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.25.0...v1.26.0
 [1.26.1]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.26.0...v1.26.1
+[1.27.0]: https://github.com/nspcc-dev/neofs-api-go/compare/v1.26.1...v1.27.0
diff --git a/v2/session/grpc/types.pb.go b/v2/session/grpc/types.pb.go
index 209d413..eb4e103 100644
--- a/v2/session/grpc/types.pb.go
+++ b/v2/session/grpc/types.pb.go
@@ -215,7 +215,7 @@ func (x *ObjectSessionContext) GetAddress() *grpc.Address {
 	return nil
 }
 
-// Context information for Session Tokens related to ContainerService requests
+// Context information for Session Tokens related to ContainerService requests.
 type ContainerSessionContext struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -224,11 +224,9 @@ type ContainerSessionContext struct {
 	// Type of request for which the token is issued
 	Verb ContainerSessionContext_Verb `protobuf:"varint,1,opt,name=verb,proto3,enum=neo.fs.v2.session.ContainerSessionContext_Verb" json:"verb,omitempty"`
 	// Spreads the action to all owner containers.
-	//
 	// If set, container_id field is ignored.
 	Wildcard bool `protobuf:"varint,2,opt,name=wildcard,proto3" json:"wildcard,omitempty"`
 	// Particular container to which the action applies.
-	//
 	// Ignored if wildcard flag is set.
 	ContainerId *grpc.ContainerID `protobuf:"bytes,3,opt,name=container_id,json=containerID,proto3" json:"container_id,omitempty"`
 }