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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DOCS-7953] Instruction for handling index version change when downgrading from 3.4 to 3.2</title>
                <link>https://jira.mongodb.org/browse/DOCS-7953</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;In 3.4, there is a keystring version change. This will cause the following possible scenario:&lt;br/&gt;
1. User upgrade to 3.4&lt;br/&gt;
2. User create a collection in 3.4&lt;br/&gt;
3. User downgrade to 3.2 and attempt to start the server.&lt;br/&gt;
4. Server crash due to incompatible keystring version on the index.&lt;/p&gt;

&lt;p&gt;We need to update dochub link (name: &quot;3.4-index-downgrade&quot;) when downgrade grade with appropriate section exists that will give them user-friendly instruction on how to remedy this issue.&lt;/p&gt;</description>
                <environment></environment>
        <key id="289141">DOCS-7953</key>
            <summary>Instruction for handling index version change when downgrading from 3.4 to 3.2</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="9">Done</resolution>
                                        <assignee username="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="vincent.do@mongodb.com">Vincent Do</reporter>
                        <labels>
                            <label>docs-3.4</label>
                    </labels>
                <created>Tue, 24 May 2016 20:17:59 +0000</created>
                <updated>Thu, 3 Nov 2016 02:59:36 +0000</updated>
                            <resolved>Mon, 31 Oct 2016 17:00:22 +0000</resolved>
                                                    <fixVersion>3.4.0</fixVersion>
                                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
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