Solace Upstream

Release date 2026/07/02

Feature

• Added support for OAuth2 client credentials authentication. Configured with the CLIENT_CREDENTIALS scheme, tokens are cached and renewed automatically.

Bugfix

• Fixed an issue where requests under high concurrency could fail with connection timeouts despite a sufficient connect_timeout being configured.

Release date 2026/04/07

Feature

• Added content_type / content_encoding (with request-header fallback) and forward_body_raw_only for raw payload passthrough; headers can be forwarded into Solace user properties.

Release date 2025/12/18

Feature

• allowed basic auth credentials to be passed from downstream clients.

Bugfix

• Fixed end-to-end tracing context propagation.

Release date 2025/12/10

Bugfix

• Fixed end-to-end tracing context propagation.

Release date 2025/10/01

Bugfix

• Fixed an issue where forward_body dropped request bodies larger than Nginx’s default buffer size (16 KB). It now reads up to 1 MB and returns an error if the body can’t be fully read.

Release date 2025/07/03

Feature

• Beta feature: Solace Upstream plugin