CHANGELOG.md

Release 2.35.0 22-03-2022

• Update Envoy to v1.21.1 (#670)
• Remove envoy runtime flag preserve_downstream_scheme (#667)
• Correctly escape user-provided regex paths (#664)
• Expose the --config-yaml envoy flag (#662)

Release 2.34.0 01-02-2022

• Expose flag --ads_named_pipe (#658)
• Update Envoy to v1.21.0 (#653)
• Support url templates with variables without wildcard (#654)

Release 2.33.0 06-01-2022

• Support http.rules in the service config for gRPC transcoding (#640)
• Update help text for flag --enable_strict_transport_security (#642)
• Disallow colon in url wildcard path segment for route match (#639)
• Update docker base image to use alpine:3.15 (#638)

Release 2.32.0 04-11-2021

• Support health check gRPC backend (#629)
• Support unescape plus in grpc transcoding (#630)
• Skip google discovery API during config generation. (#632)

Release 2.31.0 19-10-2021

• Update Envoy to v1.20.0 (#625)
• Add openssl to the base alpine image (#623)
• Remove expired DST_Root_CA_X3.crt root ca (#617)
• Use alpine as base image (#611)
• Update gcloud_build_image again to support GAR (#613)
• Update application log format (#608)

Release 2.30.3 15-09-2021

• Add X-User-Agent as default cors_allow_headers (#598)
• Add jwt_pad_forward_payload_header flag (#593)

Release 2.30.2 01-09-2021

• Update Envoy to top of tree at 2021-08-24 (Envoy SHA 6f2726) (#588)
• Improve gcsrunner remote dependency handling (#586)

Release 2.30.1 12-08-2021

• Fix basic CORS with default cors_allow_origin=* (#579)

Release 2.30.0 03-08-2021

• Update service_control_client_cxx with improved quota cache (#573)
• Unify route match policy with CORS filter (#575)
• Add jwks fetch retry flags for jwt authentication (#564)
• Update Envoy to 1.19.0 (#572)

Release 2.29.1 14-07-2021

• Support downstream mTLS (#560)
• Support backendRetryOnStatusCodes (#554)

Release 2.29.0 30-06-2021

• Restored the old way of setting scheme header according to upstream connection security level (#546)

Release 2.28.0 15-06-2021

• Add flag to enable operation name header (#535)
• Enable jwks async fetch by default (#534)
• Update envoy to 06/09/2021, revert the breaking change of padding the forward jwt payload header(#532)

Release 2.27.0 01-06-2021

• Fix overhead latency calculation for backend timeout (#505)
• API Gateway: Reduce backoff initial latency. (#520)

Release 2.26.1 19-05-2021

No changes involve Cloud Endpoints users.

Release 2.26.0 13-05-2021

• Upgrade to Envoy v1.18.3
• Add path normalization options for CVE-2021-29492 (#511)
• Add flag --cors_max_age to support set Access-Control-Max-Age response header (#502)
• Add perTryTimeout for doing retry when the upstream times out (#509)
• Support for "eu" zone via -z in gcloud_build_image (#490)
• Propagate trace context headers to Service Control Check (#487)

Release 2.25.0 23-02-2021

• Add flags to add extra headers (#480)

Release 2.24.0 01-02-2021

• Respond with HTTP 400 when required headers are omitted in CORS preflight request (#468)
• Allow backend address override (#464)
• Propagate trace ID to correlate access logs and traces (#463)

Release 2.23.0 13-01-2021

• Automatically configure stream idle timeouts (#457)
• Add 405 directResponse in router (#451)
• Ensure service-config related errors are actionable (#450)
• Remove warning with empty requestTypeName (#448)
• Align behavior of X-Forwarded-Authorization and X-Endpoint-API-UserInfo headers (#447)
• Revamp status codes in access log (#444)

Release 2.22.0 15-12-2020

• Enable fallback to x-cloud-trace-context by default (#439)
• backend retry config options (#436)
• Handle trailing backslash for match paths (#435) (#440)

Release 2.21.0 02-12-2020

• Fix request header size (#425)
• Update envoy to jwt clock_skew change (#420)
• Support AuthenticationRule.allow_without_credential (#419)
• Enable traceparent trace context propagation by default (#416)
• Envoy changes to use DependencyErrorBehavior in TokenSubscriber (#406)

Release 2.20.0 05-11-2020

• ConfigMgr changes: Jwt_authn use per-route config, remove path_matcher (#403)
• Use syntax parsing to generate route match instead of regex (#394)
• Replace snakeName with jsonName using syntax parsing (#393)
• Change configmgr to replace backend_routing with path_rewrite filter (#388)
• Switch ads to unix domain socket (#386)
• Path rewrite filter: add envoy filter related files. (#384)
• Add path_rewrite filter config and config_parser (#380)
• Change backend_auth to use per-route config (#376)
• Add flags to specify cipher_suites for TLS certificate (#379)
• Add option to disable OpenID Connect Discovery (#378)
• Fix path extraction for auto-gen cors methods (#377)
• Use per-route config for ServiceControl filter (#368)
• Support for complicated http_template in envoy route match (#370)
• Automatically disable backend auth on non-GCP platforms (#367)
• Add response code detail in service control report (#349)
• Support BackendRule deadline configuration in sidecar mode (#364)
• Enable route config for local backend in sidecar mode (#358)
• Increase API version to v9 (#360)

Release 2.19.0 29-09-2020

• b/169095072: Fix path matcher misleading error message (#350)
• Deprecated flag --service_control_network_fail_open (#348)
• Add flag --connection_buffer_limit_bytes (#344)
• Enable gRPC when downstream is HTTP/1.1 (#336)
• Add grpc_metadata_scrubber filter (#328)

Release 2.18.0 16-09-2020

• Add name prefix for backend/jwtProvider cluster (#330)
• Split specifying root certs for backend vs sidestream SSL clients (#325)
• Fix reading the remote client IP when deploying ESPv2 on Cloud Run (#318)
• Rich access logging of http request information (#316)
• Support IP in backend address (#323)
• For Cloud Run, report location with region instead of zone (#314)

Release 2.17.0 02-09-2020

• Support GCP deployment with service account key (#308)
• Add default location in Report call for non_gcp (#307)
• Set API version in autogenerated CORS methods (#311)
• Better naming of healthz and cors operations (#302)
• Add ApiKeyState into report log entry (#305)
• Fix error with reporting invalid API Keys (#295)
• Remove grpc_stats filter (#299)
• Cleanup un-used metrics in report (#296, #300)
• Reduce noise of Envoy logs with --enable_debug (#293)

Release 2.16.0 18-08-2020

• Add more port restrictions for usability (#281)
• Add retry mechanism on callgoogleapis when it comes into 429 (#278)

Release 2.15.0 11-08-2020

• Support wildcards in envoy route matching with dynamic routing (#262)
• For local backend address, use HTTP as default schema (#263)
• Fix tracing sample rate (#249)
• Set x-envoy-original-path in backend routing filter for access logging (#241)
• Add api_key in filter_state for access logging (#233)
• Support ESP versions in gcloud_build_image (#229)

Release 2.14.0 20-07-2020

• Config versioning v6 to v7 (#226)
• Move snake to json segment mapping to per-operation instead of global (#218)

Release 2.13.0 08-07-2020

• Update envoy to 7/6/2020 (#217)
• Fix a rare use-after-free by creating FilterStats in client_cache (#212)
• Support api config versioning: add v6 to api folder name and package name (#210)

Release 2.12.0 24-06-2020

• Send error message as JSON format in response (#206)
• Add consumer-type and consumer-number headers (#200)
• Increase IMDS access token timeout to 30s (#198)
• More stats for Backend Auth, handle rejections properly. (#191)
• Add flag to control production prefix in generated headers (#184)

Release 2.11.0 03-06-2020

• Fix grpc-web: move grpc-web filter in front of transcoder (#176)
• Migrate Envoy configs from api/v2 to api/v3 (#169, #175, #174)
• Ensure all consumer/producer errors are logged in stats (#166)
• Update envoy to 2020-05-26 (#165)
• Handle errors and test stats in Backend Routing (#164)
• Implement denied_consumer_quota and denied_producer_error stats (#163)

Release 2.10.0 18-05-2020

• Implement denied_consumer_blocked and denied_consumer_error stats (#156)
• Implement denied_control_plane_fault (#155)
• Add statistical counter for check/allocateQuota/report call status (#151)
• Add latency in ServiceControl statistics (#146)

Release 2.9.0 30-04-2020

• Forward Authorization header in JWT Authn filter (#141)
• Add flag: dns_resolver_address (#133)
• Add flags: access_log and access_log_format (#129)
• Covert non-5xx sidestream errors to 500 Internal Server Error (#122)
• Add flag: underscores_in_headers (#119)

Release 2.8.0 07-04-2020

• Apply retry and network_fail_open for failed server response properly (#110)
• Align --cloud_trace_url_override with ESPv1 (#107)
• Support generate_self_signed_certificate (#105)
• Support websocket (#102)
• TLS support for grpcs backend (#95)

Release 2.7.0 25-03-2020

• Add X-Forwarded-Authorization header (#90)
• Detect rolloutId change from Google Service Control (#83)
• Support custom JWT locations (#44)
• Add missing logEntries for report (#68)
• Support strict transport security (#77)
• Add mTLS support for upstream connection (#52)
• Add flag --disable_cloud_trace_auto_sampling (#81)
• Add flags for print options in JSON transcoder (#57)
• Add flags for unknown query parameters in JSON transcoder… (#79)
• Add flags for Admin control (#67)
• Add flags ssl_minimum_protocol and ssl_maximum_protocol for downstream (#58)
• Suppress envoy debug headers when --enable_debug=false (#82)

Release 2.6.0 04-03-2020

• Signal ready only when all tokens are successfully retried (#37)
• Include SA email in fetched iam id token (#40)
• Add TLS support for downstream (#32)
• Support HTTP protocols (#36)
• Remove backend protocol flag (#31)
• Support auto binding for grpc transcoding (#33)

Release 2.5.0 19-02-2020

• Auto-generate JWT Audience if no audiences are set in service config
• Retry after failed token fetch
• Handle disable_auth in endpoint service config
• Add listener_port and http2_port flags

Release 2.4.0 06-02-2020

• Fix a crash on race condition during config change.
• Fix CORS bug by adding a CORS route for Envoy cors filter
• Support root path / in service config.
• Increase max program size limit for regex matching in Envoy
• Support http, https, grpc and grpcs scheme in BackendRule address
• Use IAM with delegation in backend auth and service control
• Support deadlines in BackendRule
• Add trace events when checking service control cache

Release 2.2.0 22-01-2020

• Fix bug in support for multiple services (APIs) in one service config
• Update CORS selector display names with path suffix instead of index
• Support additional_binding options for gRPC-JSON transcoding
• Fix bug in OpenID Connect Discovery
• Add x509 support for JWT authentication
• Deprecated --enable_backend_routing flag; automatically set based on service configuration

Release 2.1.0 07-01-2020

• Add support for healthz
• Support multiple services(apis) in one service config
• Solve the permission denied when open /etc/endpoints/service.json
• Improve error message if service config is not found
• Handle missing :path or :method headers in service control filter

Release 2.0.0 17-12-2019