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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-61970] Investigate removing references to FCV constants and replacing with feature flags throughout server code</title>
                <link>https://jira.mongodb.org/browse/SERVER-61970</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Before feature flags, FCV checks were done within server code by &lt;a href=&quot;https://github.com/mongodb/mongo/blob/fcea6b10c2ea966433cf009382bf432c9afe1e20/src/mongo/db/s/create_collection_coordinator.cpp#L845&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;comparing our current FCV to some FCV constant&lt;/a&gt;. Now that feature flags are available, they seem to be a better infrastructure for these sort of FCV checks. As a result, we should consider transitioning away from these FCV checks and replacing them with feature flags throughout the code base. This can potentially be done by banning usages of these FCV constants in C++ code, so that they can only be referenced in feature flag IDL files.&lt;/p&gt;

&lt;p&gt;We should start by typing up a proposal for this change and sending it to each of the server &amp;amp; query teams. If we do make this change, we should also send out an email to DB contributors regarding this.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1945817">SERVER-61970</key>
            <summary>Investigate removing references to FCV constants and replacing with feature flags throughout server code</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="backlog-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="xuerui.fa@mongodb.com">Xuerui Fa</reporter>
                        <labels>
                            <label>former-quick-wins</label>
                            <label>pm-2821-milestone-1</label>
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                <created>Thu, 9 Dec 2021 16:45:00 +0000</created>
                <updated>Tue, 6 Dec 2022 00:44:29 +0000</updated>
                            <resolved>Mon, 13 Jun 2022 19:13:25 +0000</resolved>
                                                                                        <votes>0</votes>
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