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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-36643] Figure out mixed version replication for config.transactions</title>
                <link>https://jira.mongodb.org/browse/SERVER-36643</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In v4.0 secondary replication updates for config.transactions are expressed as &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r4.0.0/src/mongo/db/session.cpp#L1213-L1220&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;replacement updates&lt;/a&gt;. This can be an issue for v4.0 secondaries when trying to replicate an oplog history that contains writes for newer versions since the replacement updates can accidentally remove fields that was not included in the replacement update request.&lt;/p&gt;</description>
                <environment></environment>
        <key id="588326">SERVER-36643</key>
            <summary>Figure out mixed version replication for config.transactions</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="13203">Gone away</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="randolph@mongodb.com">Randolph Tan</reporter>
                        <labels>
                    </labels>
                <created>Tue, 14 Aug 2018 17:05:56 +0000</created>
                <updated>Fri, 27 Oct 2023 20:43:18 +0000</updated>
                            <resolved>Thu, 8 Nov 2018 23:05:23 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2052204" author="judah.schvimer" created="Mon, 5 Nov 2018 18:51:54 +0000"  >&lt;p&gt;Tickets such as &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-36498&quot; title=&quot;Remove &amp;#39;config.transactions&amp;#39; entries with &amp;#39;state&amp;#39; field on shutdown in fCV 4.0&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-36498&quot;&gt;&lt;del&gt;SERVER-36498&lt;/del&gt;&lt;/a&gt; account for the upgrade-downgrade logic required for prepare. This ticket was originally created when the coordinator was going to make use of &apos;config.transactions&apos; in new ways beyond what prepare had planned, and thus potentially needed its own upgrade-downgrade logic. If the cross-shard transactions project no longer is changing the &apos;config.transactions&apos; table, then this ticket is &quot;Gone Away&quot;. &lt;/p&gt;</comment>
                            <comment id="2052110" author="esha.maharishi@10gen.com" created="Mon, 5 Nov 2018 18:05:06 +0000"  >&lt;p&gt;Ok. I believe the prepare team has already tracked this work in their own tickets. &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=judah.schvimer&quot; class=&quot;user-hover&quot; rel=&quot;judah.schvimer&quot;&gt;judah.schvimer&lt;/a&gt;, is that right? If so, we will close it as a duplicate.&lt;/p&gt;</comment>
                            <comment id="2052108" author="renctan" created="Mon, 5 Nov 2018 18:04:01 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=esha.maharishi&quot; class=&quot;user-hover&quot; rel=&quot;esha.maharishi&quot;&gt;esha.maharishi&lt;/a&gt; it could be either.&lt;/p&gt;</comment>
                            <comment id="2051931" author="esha.maharishi@10gen.com" created="Mon, 5 Nov 2018 16:40:16 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=renctan&quot; class=&quot;user-hover&quot; rel=&quot;renctan&quot;&gt;renctan&lt;/a&gt;, should this work be on the prepare team?&lt;/p&gt;</comment>
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