0.42.42

This is a minor maintenance release appropriate for all ServiceTalk users that contains several useful improvements and bug fixes. This release is expected to be a "drop-in" replacement for all prior 0.42.X releases.

Changes

New Features

• 6f6c9e5 - Add DelegatingServiceDiscoverer to client-api (#2842)
• bf64643 - Add HttpClients.forMultiAddressUrl() overload with ServiceDiscoverer (#2843)
• 0af167a - Expose global A/AAAA and SRV DNS ServiceDiscoverer instances (#2844)

Experimental loadbalancer changes

• f3635b1 - loadbalancer: Add an xDS compatible HealthChecker implementation (#2809)
• 11c5a3d - LoadBalancer wire the tracker on the host layers with the request flow (#2816)
• fb39471 - loadbalancer-experimental: track the length of outstanding requests (#2833)
• 954c147 - loadbalancer: move DefaultLoadBalancer to its own experimental module (#2819)
• d2794c4 - loadbalancer-experimental: Add some documentation for DefaultLoadBalancer (#2837)

Dependencies

• 3a652dd - Update Netty 4.1.106 -> 4.1.107 (#2834)
• 612b080 - Update netty-incubator-transport-native-io_uring 0.0.24 -> 0.0.25 (#2840)
• e80d853 - Update protobuf 3.23.2 -> 3.25.1 (#2846)
• e67bf6e - Update log4j 2.20.0 -> 2.22.1
• e269d36 - Update jctools 4.0.1 -> 4.0.3
• b23bcaa - Update Jackson 2.15.2 -> 2.15.4
• 1a916e5 - Update zipkin-reporter 2.16.4 -> 2.17.2
• 12190dd - Update proto-google-common-protos 2.21.0 -> 2.29.0

Documentation

• de5278d - Clarify ConnectionObserver callbacks contract (#2838)
• c17a0f6 - Clarify lifecycle of global Executors (#2845)

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Thank you

Every idea, review, and bug-report counts and so we thought it is worth mentioning those who helped in this area. Please report any unintended omission.

@bryce-anderson
@chrisvest
@daschl
@idelpivnitskiy
@mgodave
@Scottmitch
@tkountis