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Anypoint Flex Gateway Release Notes

1.5.2

August 30, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.5.2.

Fixed Issues

Issue Resolution ID

Policies making external HTTP requests now include a User-Agent header.

W-13824390

Upgrading Flex Gateway in a VM now correctly upgrades policies.

W-13837035

Downloading custom policies no longer fails when a forwarding proxy is used.

W-13887045

Fixed vulnerabilities detected by security scanners.

W-13804226

The Header Removal policy can now remove the User-Agent header.

W-1393110

Flex Gateway now supports configuring stream_idle_timeout through the FLEX_STREAM_IDLE_TIMEOUT_SECONDS environment variable.

W-13952107

1.5.1

July 24, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.5.1.

Fixed Issues

Issue Resolution ID

Flex Gateway now correctly shows policy violations in Monitoring Center.

W-13804327

1.5.0

July 20, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.5.0.

What’s New

Fixed Issues

Issue Resolution ID

API Manager now correctly shows message logs for Flex Gateway running in Connected Mode.

W-12658860

Resource creation no longer fails due to a name length error for Flex Gateway running in Connected Mode.

W-12667439

The JSON Threat Protection policy no longer considers valid JSON payloads invalid.

W-12594181,W-12594229

API Manager and Monitoring Center now correctly format message logs for Flex Gateway running in Connected Mode.

W-12637178

Flex dump now includes Service policies.

W-12736424

OAS schema is now downloaded once.

W-12636298

Schema Validation Policy now returns a JSON response on failure.

W-12740457

Schema Validation Policy headers and query parameters validation is now case insensitive.

W-12636158

Rate Limiting: SLA-Based Policy now refreshes tiers correctly.

W-12651022

Flex Gateway no longer fails after deleting an API Instance with applied policies in Connected Mode.

W-11731962

The PolicyBinding spec.targetRef field is now correctly validated.

W-12347158

The Fluent Bit default buffer size has been increased.

W-12489632

ALPN is now respected when establishing a TLS connection to upstream services.

W-12285581

Ingress classes are now respected by the Ingress.ingressClassName field.

W-12726534

Already applied deployments from Connected Mode are no longer reprocessed.

W-12727484

OpenID Connect OAuth 2.0 Token Enforcement Policy no longer fails on token validation when used with a REST API in Connected Mode.

W-13091548

Flex Gateway no longer initiates a new connection when deployment parsing fails.

W-13039766

Flex Gateway no longer creates multiple replicas in Runtime Manager when there are changes in the networking configuration.

W-12976264

Flex Gateway pods in Kubernetes no longer freeze if the process crashes.

W-12289578

Schema Validation Policy no longer throws an invalid bad request error when another API is updated on the same port.

W-13081833, W-13080942

Flex Gateway no longer crashes due to a memory leak in Fluent Bit.

W-13071770

Forward Proxy with outbound TLS policies no longer crashes.

W-13498787

JWT Validation policy no longer fails when using a token with the x5t field.

W-13074446

Schema Validation policy no longer floods logs when failing to parse a specification.

W-12636271

Schema Validation policy no longer fails to match the correct path when similar paths are defined.

W-13599735

Schema Validation policy now correctly handles encoded paths and parameters.

W-13599735

Schema Validation policy now avoids re-fetching of specifications when possible.

W-13217895

Schema Validation policy no longer rejects requests with content types containing properties.

W-13639309

CORS policy now allows the X-Forwarded-For header for simple requests.

W-13603025

Flex Gateway stops properly after the exit signal is received if the registration file is missing or incorrect.

W-13636262

Custom policies in Connected Mode no longer fail with "invalid character '<' looking for beginning of value".

W-13736558

1.4.6

July 13, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.4.6.

Fixed Issues

Issue Resolution ID

Custom policies in Connected Mode no longer fail with "invalid character '<' looking for beginning of value".

W-13736558

1.4.5

June 22, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.4.5.

What’s New

  • Schema Validation policy now generates more verbose logs to help with troubleshooting.

  • Schema Validation policy now shows meaningful information on the response after schema validation failure.

  • Schema Validation policy now resolves references ($ref) in schemas, up to a 10-level depth.

Fixed Issues

Issue Resolution ID

Forward Proxy with outbound TLS policies no longer crashes.

W-13498787

JWT Validation policy no longer fails when using a token with the x5t field.

W-13074446

Schema Validation policy no longer floods logs when failing to parse a specification.

W-12636271

Schema Validation policy no longer fails to match the correct path when similar paths are defined.

W-13599735

Schema Validation policy now correctly handles encoded paths and parameters.

W-13599735

Schema Validation policy now avoids re-fetching of specifications when possible.

W-13217895

Schema Validation policy no longer rejects requests with content types containing properties.

W-13639309

CORS policy now allows the X-Forwarded-For header for simple requests.

W-13603025

Flex Gateway stops properly after the exit signal is received if the registration file is missing or incorrect.

W-13636262

1.4.4

May 03, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.4.4.

What’s New

Fixed Issues

Issue Resolution ID

The Fluent Bit default buffer size has been increased.

W-12489632

ALPN is now respected when establishing a TLS connection to upstream services.

W-12285581

Ingress classes are now respected by the Ingress.ingressClassName field.

W-12726534

Already applied deployments from Connected Mode are no longer reprocessed.

W-12727484

OpenID Connect OAuth 2.0 Token Enforcement Policy no longer fails on token validation when used with a REST API in Connected Mode.

W-13091548

Flex Gateway no longer initiates a new connection when deployment parsing fails.

W-13039766

Flex Gateway no longer creates multiple replicas in Runtime Manager when there are changes in the networking configuration.

W-12976264

Flex Gateway pods in Kubernetes no longer freeze if the process crashes.

W-12289578

Schema Validation Policy no longer throws an invalid bad request error when another API is updated on the same port.

W-13081833, W-13080942

Flex Gateway no longer crashes due to a memory leak in Fluent Bit.

W-13071770

1.4.3

April 05, 2023

Fixed Issues

Issue Resolution ID

Flex dump now includes Service policies.

W-12736424

OAS schema is now downloaded once.

W-12636298

Schema Validation Policy now returns a JSON response on failure.

W-12740457

Schema Validation Policy headers and query parameters validation is now case insensitive.

W-12636158

Rate Limiting: SLA-Based Policy now refreshes tiers correctly.

W-12651022

Flex Gateway no longer fails after deleting an API Instance with applied policies in Connected Mode.

W-11731962

The PolicyBinding spec.targetRef field is now correctly validated.

W-12347158

1.4.2

March 15, 2023

Fixed Issues

Issue Resolution ID

API Manager now correctly shows message logs for Flex Gateway running in Connected Mode.

W-12658860

Resource creation no longer fails due to a name length error for Flex Gateway running in Connected Mode.

W-12667439

The JSON Threat Protection policy no longer considers valid JSON payloads invalid.

W-12594181,W-12594229

API Manager and Monitoring Center now correctly format message logs for Flex Gateway running in Connected Mode.

W-12637178

1.4.0

February 22, 2023

MuleSoft announces the release of Anypoint Flex Gateway 1.4.0.

What’s New

Fixed Issues

Issue ID

Requests with invalid upstream TLS certificates no longer automatically succeed. These requests will now result in 5xx errors. Add skipValidation: true to a PolicyBinding resource to skip the validation attempt of invalid certificates.

W-12526058

Configuring "format": dataweaveExpression in a custom policy schema file in Connected Mode no longer results in an error.

W-12175284

1.3.0

October 31, 2022

MuleSoft announces the release of Anypoint Flex Gateway 1.3.0.

What’s New

  • Flex Gateway now supports the following deployment targets:

    • Amazon Linux 2

    • CentOS 8

    • RHEL 8

    • RHEL 9

    • OpenShift 4.8 or greater

  • Policies now support execution ordering in Local Mode via a new spec.order field in the PolicyBinding resource.

  • OAuth 2.0 Token Introspection Policy

  • Flex Gateway now supports inbound mutual authentication TLS (mTLS) via new requireClientCertificate and trustedCA fields in the PolicyBinding resource.

Fixed Issues

Issue ID

Flex Gateway no longer crashes due to invalid status codes when collecting metrics or when using the HTTP Caching Policy.

W-11830114

Rate Limit Policy no longer fails when using reserved URL characters with selectors.

W-11956739

1.2.0

September 28, 2022

MuleSoft announces the release of Anypoint Flex Gateway 1.2.0.

What’s New

  • Rate Limit and Rate Limit SLA policies can now be used in a distributed environment.

    See Rate Limit Policy and Rate Limit SLA Policy.

  • HTTP Caching and LDAP policies performance is improved.

  • Envoy is updated to version v1.23.0.

  • Flex Gateway now supports port sharing across different API instances.

Fixed Issues

Issue ID

The Prefix path type now works correctly in Kubernetes Ingress mode.

W-11554856

Missing permissions errors no longer occur when using Flex in Kubernetes Ingress mode.

W-11554823

1.1.0

Jul 31, 2022

MuleSoft announces the release of Anypoint Flex Gateway 1.1.0, which includes enhancements to the registration experience, and support for new policies.

Policies

Enhancements

  • The Flex Gateway registration experience has been simplified.

    The enhancements are backward compatible - the previous way to run Flex Gateway is supported.

    For information about migrating to the new registration flow, refer to Registering and Running Flex Gateway in Connected Mode.

  • Added the ability to delete Flex Gateways via Runtime Manager. Refer to Delete a Flex Gateway.

  • Flex Gateway has new limits - a maximum of 200 APIs are now allowed in a Flex Gateway.

    The logs display the following error when a deployment fails due to exceeding the API limit: limit of 200 API instances has already been reached.

  • Logging improvements:

    • On startup, logs show [flex-gateway-agent][info] Gateway: Platform=https://anypoint.mulesoft.com OrgID=[org_id] EnvID=[env_id] Name=[name] Mode=offline ReplicaName=[replica_name].[namespace]

    • Logs generated by policies now indicate the policy name and the associated API identifier.

    • API logs are available for each API deployed in API Manager for 30 Days or 100MB.

Fixed issues

  • Flex Gateway now updates after changing a value in the Configuration resource. For example, adding quotes in a field: port: 443 to port: "443".

  • Fixed issue with Flex Gateway stopping when enabling/disabling policies in connected mode.

  • Fixed issue with attributes.queryString DataWeave expression returning null instead of the query string attribute.

  • Logs generated from certain policies now include a reference to the policy generating the log.

Known Issues

  • When the 200 APIs limit is reached, no message errors are displayed in API Manager. Error information is only available in the Flex Gateway logs.