v1.37.0

March 10, 2026

🌟 New features

You can now bind outgoing connections to a specific local address. #6640

HttpRequest req = ...;
RequestOptions options = RequestOptions.builder()
                                       .localBindAddress(addr) // 👈👈👈
                                       .build();
HttpResponse res = client.execute(req, options);

You can now create non-CA leaf certificates using SelfSignedCertificateExtension. #6657

static var rootCert = ...;
@RegisterExtension
static var intermediateCert =
  new SignedCertificateExtension("abc.com", rootCert, true); // 👈👈👈

📈 Improvements

Improved warning logs by adding diagnostic context to frequent HTTP/2 connection errors. #6638
XdsBootstrap now supports SDS. #6597 #6610 #6654

🛠️ Bug fixes

EventLoops created using EventLoopGroupBuilder can be set as a worker group without an exception being thrown. #6632 #6641
GrpcMeterIdPrefixFunction records grpc-status correctly for responses which fail with an exception. #6606 #6621
BraveService and ThrottlingService now correctly propagate the delegate's exchange type and service options. #6643
Fixed a bug where aborted streaming requests may affect the HTTP/2 window of other requests in the same connection. #6642
WebSocketClient now correctly releases buffered memory when an inbound stream is aborted. #6624
Setting pingIntervalMillis to a value greater than 33 seconds no longer throws an exception. #6648
- Linux keepalive socket options (SO_KEEPALIVE TCP_KEEPIDLE, TCP_KEEPINTVL) are no longer set by default.