更新内容如下：
HTTPCORE-487: org.apache.http.nio.reactor.ssl.SSLIOSession and SSLNHttpClientConnectionFactory do not always use the HTTP host setting. Conributed by Oleg Kalnichevski
HTTPCORE-485: Reduce memory footprint of non-blocking SSL sessions by 25%. Contributed by Todor Bonchev <31352118+TodorBonchev at users.noreply.github.com>
HTTPCORE-483: back-ported SSL session termination bug fix from 5.x. Conributed by Oleg Kalnichevski
Fixed a race condition in message exchange state synchronization during an expect-continue handshake. Conributed by Oleg Kalnichevski
下载地址：
http://hc.apache.org/downloads.cgi
软件详情：http://www.apache.org/dist/httpcomponents/httpcore/RELEASE_NOTES.txt
来自:开源中国社区