We have consistently seen issues cloning repos out of GitHub repository plugin since this upgrade. The error stack trace is:

java.lang.RuntimeException: java.net.SocketTimeoutException: timeout
        at com.pmease.quickbuild.util.OkHttpUtils.makeCall(OkHttpUtils.java:194)
        at com.pmease.quickbuild.util.OkHttpUtils.makeCall(OkHttpUtils.java:199)
        at com.pmease.quickbuild.util.OkHttpUtils.post(OkHttpUtils.java:165)
        at com.pmease.quickbuild.util.OkHttpUtils.post(OkHttpUtils.java:156)
        at com.pmease.quickbuild.util.OkHttpUtils.post(OkHttpUtils.java:152)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRestClient.updateCommitStatus(GitHubRestClient.java:195)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository.updateCommitStatus(GitHubRepository.java:224)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository.onBuildStart(GitHubRepository.java:82)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository.checkoutByRevision(GitHubRepository.java:75)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545.CGLIB$checkoutByRevision$4(<generated>)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545$$FastClassByCGLIB$$94c82afa.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:267)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545.checkoutByRevision(<generated>)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository.checkoutByRevision(GitHubRepository.java:47)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545.CGLIB$checkoutByRevision$3(<generated>)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545$$FastClassByCGLIB$$94c82afa.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:267)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545.checkoutByRevision(<generated>)
        at com.pmease.quickbuild.repositorysupport.Repository.checkout(Repository.java:259)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545.CGLIB$checkout$115(<generated>)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545$$FastClassByCGLIB$$94c82afa.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:267)
        at com.pmease.quickbuild.plugin.scm.github.GitHubRepository$$EnhancerByCGLIB$$1775c545.checkout(<generated>)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep.run(CheckoutStep.java:71)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep$$EnhancerByCGLIB$$89fcab2a.CGLIB$run$0(<generated>)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep$$EnhancerByCGLIB$$89fcab2a$$FastClassByCGLIB$$d0941d02.invoke(<generated>)
        at net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
        at com.pmease.quickbuild.DefaultScriptEngine$Interpolator.intercept(DefaultScriptEngine.java:267)
        at com.pmease.quickbuild.repositorysupport.CheckoutStep$$EnhancerByCGLIB$$89fcab2a.run(<generated>)
        at com.pmease.quickbuild.stepsupport.Step.doExecute(Step.java:680)
        at com.pmease.quickbuild.stepsupport.Step.execute(Step.java:577)
        at com.pmease.quickbuild.stepsupport.StepExecutionJob.executeStepAwareJob(StepExecutionJob.java:31)
        at com.pmease.quickbuild.stepsupport.StepAwareJob.executeBuildAwareJob(StepAwareJob.java:56)
        at com.pmease.quickbuild.BuildAwareJob.execute(BuildAwareJob.java:77)
        at com.pmease.quickbuild.grid.GridJob.run(GridJob.java:141)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
        at java.base/java.lang.Thread.run(Thread.java:1583)
    Caused by: java.net.SocketTimeoutException: timeout
        at okhttp3.internal.http2.Http2Stream$StreamTimeout.newTimeoutException(Http2Stream.kt:675)
        at okhttp3.internal.http2.Http2Stream$StreamTimeout.exitAndThrowIfTimedOut(Http2Stream.kt:684)
        at okhttp3.internal.http2.Http2Stream.takeHeaders(Http2Stream.kt:143)
        at okhttp3.internal.http2.Http2ExchangeCodec.readResponseHeaders(Http2ExchangeCodec.kt:97)
        at okhttp3.internal.connection.Exchange.readResponseHeaders(Exchange.kt:110)
        at okhttp3.internal.http.CallServerInterceptor.intercept(CallServerInterceptor.kt:93)
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
        at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:34)
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
        at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
        at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
        at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
        at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
        at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
        at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)
        at com.pmease.quickbuild.util.OkHttpUtils.makeCall(OkHttpUtils.java:187)
        ... 42 more