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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-50383] Add testing for change stream upgrade/downgrade scenario between 4.4.0 and latest</title>
                <link>https://jira.mongodb.org/browse/SERVER-50383</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Once &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47354&quot; title=&quot;Implement change stream oplog parsing code for delta oplog entries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47354&quot;&gt;&lt;del&gt;SERVER-47354&lt;/del&gt;&lt;/a&gt; is backported and released under 4.4.x, our multiversion change stream tests will run be running against 4.4.x. We should make sure that the test relevant to change streams parsing of $v:2 oplog entries and upgrade/downgrade also runs against 4.4.0, since users may not  always upgrade to the latest dot release before doing a major version upgrade.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/jstests/multiVersion/genericChangeStreams/change_streams_read_oplog_after_downgrade.js&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;This is the relevant test&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1446683">SERVER-50383</key>
            <summary>Add testing for change stream upgrade/downgrade scenario between 4.4.0 and latest</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="12300">Won&apos;t Do</resolution>
                                        <assignee username="ian.boros@mongodb.com">Ian Boros</assignee>
                                    <reporter username="ian.boros@mongodb.com">Ian Boros</reporter>
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                <created>Wed, 19 Aug 2020 19:00:17 +0000</created>
                <updated>Thu, 17 Sep 2020 15:23:58 +0000</updated>
                            <resolved>Thu, 17 Sep 2020 15:23:58 +0000</resolved>
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                            <comment id="3399255" author="david.storch" created="Thu, 17 Sep 2020 15:23:58 +0000"  >&lt;p&gt;Closing as &quot;Won&apos;t Do&quot;. We no longer intend to do this work since we decided not to backport &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47354&quot; title=&quot;Implement change stream oplog parsing code for delta oplog entries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47354&quot;&gt;&lt;del&gt;SERVER-47354&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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