---
title: "Go, Backwards Compatibility, and GODEBUG"
layout: article
---

<!--
This document is kept in the Go repo, not x/website,
because it documents the full list of known GODEBUG settings,
which are tied to a specific release.
-->

## Introduction {#intro}

Go's emphasis on backwards compatibility is one of its key strengths.
There are, however, times when we cannot maintain complete compatibility.

                            return
                        }
                        val outputPrefix = if (file.startsWith("/META-INF/versions")) {
                            // Java 9 multi-release JAR entry, we must keep it nested in the output
                            file.subpath(0, 3).toString()
                        } else {
                            ""
                        }

     * @throws CIFSException if the pipe resource cannot be accessed
     */
    SmbPipeResource getPipe(String url, int pipeType) throws CIFSException;

    /**
     * Close all connections and release resources associated with this context
     *
     * @return whether any connection was still in use
     * @throws CIFSException if an error occurs during cleanup
     */
    boolean close() throws CIFSException;

for ((i = 0; i < $((nr_servers)); i++)); do
	(minio server --address ":$((9100 + i))" $args 2>&1 >/tmp/log$i.txt) &
done

sleep 10s

if [ ! -f ./mc ]; then
	wget --quiet -O ./mc https://dl.minio.io/client/mc/release/linux-amd64/./mc &&
		chmod +x mc
fi

set +e

export MC_HOST_minioadm=http://minioadmin:minioadmin@localhost:9100/
./mc ready minioadm

./mc ls minioadm/

    Blocker blocker = (Blocker) LockSupport.getBlocker(runner);
    Thread owner = blocker.getOwner();
    assertThat(owner).isSameInstanceAs(interrupter);

    slowChannel.exitClose.countDown(); // release the interrupter

    // We need to wait for the runner to exit.  To make sure that the interrupting thread wakes it
    // back up.
    runner.join(SECONDS.toMillis(10));
  }

    Blocker blocker = (Blocker) LockSupport.getBlocker(runner);
    Thread owner = blocker.getOwner();
    assertThat(owner).isSameInstanceAs(interrupter);

    slowChannel.exitClose.countDown(); // release the interrupter

    // We need to wait for the runner to exit.  To make sure that the interrupting thread wakes it
    // back up.
    runner.join(SECONDS.toMillis(10));
  }

// one goroutine at a time.
type Compressor func(w io.Writer) (io.WriteCloser, error)

// A Decompressor returns a new decompressing reader, reading from r.
// The [io.ReadCloser]'s Close method must be used to release associated resources.
// The Decompressor itself must be safe to invoke from multiple goroutines
// simultaneously, but each returned reader will be used only by
// one goroutine at a time.

- Kubernetes is now built with go 1.23.5 ([#129962](https://github.com/kubernetes/kubernetes/pull/129962), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

- Kubernetes is now built with Go 1.20.10 ([#121151](https://github.com/kubernetes/kubernetes/pull/121151), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]
- Kubernetes is now built with Go 1.20.9 ([#121023](https://github.com/kubernetes/kubernetes/pull/121023), [@cpanato](https://github.com/cpanato)) [SIG Release and Testing]

### Bug or Regression

     * inside the {@code <source>} elements of a <abbr>POM</abbr> file.
     *
     * <h4>Application to Java</h4>
     * In the context of a Java project, this is the value given to the {@code --release} compiler option.
     * This value can determine whether a dependency will be placed on the class-path or on the module-path.
     * For example, if the {@code module-info.class} entry of a <abbr>JAR</abbr> file exists only in the