API Gateway:Engine version guide

Version number

Release date

Description

2.1.16

2026-02-04

• Fixed a bug in WASM filter request data buffer processing.

• Optimized memory for AI features.

• Introduced a global request rate limiting mechanism. It allows dynamic control of the maximum number of requests for all connections in a single I/O loop through runtime configuration or Wasm modules.

• Added tenant ID information to Istio metrics.

2.1.15

2025-12-25

• Supports routing in cluster header mode.

• Modified the gRPC keepalive time between pilot agent and Envoy to prevent xDS connection closure due to timeout.

• Increased the default SDS timeout to 300s.

• Added a WASM rebuild limit for non-recovery scenarios, allowing a maximum of 2 VMs simultaneously.

• Supports configuring multiple domain names when integrating with Nacos MCP.

• Fixed an issue where the Redis feature failed after updating service configurations.

• Enhanced WAF features.

2.1.14

2025-12-01

• Optimized the handling logic for gateway overload.

• Supports configuring the buffer for asynchronous Redis clients in Wasm plugins.

• Improved the stability of accessing Redis from the gateway.

• Supports MCP protocol transformation in direct MCP proxy scenarios.

2.1.13

2025-10-24

• WAF integration supports remote xagent mode.

• Optimized the plugin rebuild logic.

• Optimized the initialization process for Kubernetes service sources to prevent issues caused by many namespaces.

• Optimized the key rotation process for Kubernetes service sources to prevent potential 503 errors.

2.1.12

2025-09-19

• Fixed an issue where fallback request log fields were displayed incorrectly.

• Optimized overall memory usage.

• Improved the speed at which configurations take effect for many domain names.

2.1.11

2025-08-21

• Supports integration with Nacos to assemble MCP tools.

• Supports storing encrypted credentials in your own Key Management Service (KMS) instance.

2.1.10

2025-08-13

• Supports passive health checks.

• Supports configuring a time to first byte (TTFB) timeout for streaming scenarios in Large Language Model (LLM) APIs.

• Fixed a compatibility issue from the previous version.

2.1.9

2025-08-11

• Optimized the routing configuration push mechanism to prevent routing failures from configuration errors.

• Optimized memory usage for Wasm plugins during frequent configuration updates to improve plugin stability.

• Improved the security of Lua plugins by disabling high-risk operations such as `loadlib`.

• Fixed an issue where the WAF integration module would exit unexpectedly in some edge cases.

2.1.8

2025-07-08

Optimized auto-scaling and reduced resource overhead when many plugins are enabled.

2.1.7

2025-07-03

• Added a graceful shutdown feature for WebSocket.

• Supports the graceful shutdown feature of OpenKruiseGame.

2.1.6

2025-06-12

Supports the McpServer proxy feature.

2.1.5

2025-05-29

• Supports the REST API to MCP feature.

• Optimized the effective scope of rate-limiting configurations in Ingress.

2.1.4

2025-05-08

Supports MCP capabilities.