---
schema_version: "1"
id: bfca1c56fe88c8ba22e3f9a444a556f9a25d311f3325480eaf71ed1a45b4c62c
title: CMT Maintenance Jobs Fresh Install vs. Upgrade
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/ind/264-0-0/comms_cmt_maintenance_jobs_fresh_install_vs__upgrade.md
canonical_url: https://help.salesforce.com/s/articleView?id=ind.comms_cmt_maintenance_jobs_fresh_install_vs__upgrade.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: a00fadf66543029345318e91a3466d3c3e1a6a16902a5415122a677245df442b
description: This table displays when you must run a maintenance job during a fresh install or an upgrade.
products:
  - Communications
  - Media
  - Energy and Utilities
release: "264"
---
# CMT Maintenance Jobs Fresh Install vs. Upgrade

This table displays when you must run a maintenance job during a fresh install or an upgrade.

To see details about each job, click the link in the Maintenance Job Name column.

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small ">
        <colgroup>
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        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e61">
              <p style="margin-bottom:0;">Maintenance Job Name</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e67">
              <p style="margin-bottom:0;">Fresh Install</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e73">
              <p style="margin-bottom:0;">Upgrade to Spring '23</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e79">
              <p style="margin-bottom:0;">Upgrade to Winter '23</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e85">
              <p style="margin-bottom:0;">Upgrade to Summer '22</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e92">
              <p style="margin-bottom:0;">Upgrade to Spring '22</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e98">
              <p style="margin-bottom:0;">Upgrade to Winter '22</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e104">
              <p style="margin-bottom:0;">Upgrade to Summer '21</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e110">
              <p style="margin-bottom:0;">Upgrade to Spring '21</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e116">
              <p style="margin-bottom:0;">Upgrade to Winter '21</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e122">
              <p style="margin-bottom:0;">Upgrade to Fall '20</p>
            </th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d210984e129">
              <p style="margin-bottom:0;">Upgrade to Spring '20</p>
            </th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_account_hierarchy_maintenance.htm&amp;release=264.0.0&amp;type=5" title="This maintenance job adds any missing root account fields for hierarchical accounts.">Account Hierarchy Maintenance</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">No</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_interface_implementation_maintenance__restore_.htm&amp;release=264.0.0&amp;type=5" title="This Maintenance job restores the default set of Vlocity Communications interfaces and implementations, returning the system to the default operational state.">Interface Implementation Maintenance (Restore)</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">No</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_interface_implementation_maintenance__merge_.htm&amp;release=264.0.0&amp;type=5" title="This job merges existing interfaces and implementations with the default Vlocity interfaces and interface implementations.">Interface Implementation Maintenance (Merge)</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">No</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_field_maps_maintenance.htm&amp;release=264.0.0&amp;type=5" title="This job creates or restores default Field Mapper settings that the CPQ flow uses to map fields between objects. This job is critical for obtaining the latest field mappings for new fields.">Field Maps Maintenance</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">No</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_object_maps_maintenance.htm&amp;release=264.0.0&amp;type=5" title="The Object Map Maintenance job is part of the upgrade process when changes have been made to the default object mappings. This job deletes existing object mappings and creates the following default Object Mapper settings:">Object Maps Maintenance</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p>Yes</p>
              <p style="margin-bottom:0;">(Warning: will override existing data)</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">No</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_product_hierarchy_maintenance.htm&amp;release=264.0.0&amp;type=5" title="This job builds a streamlined version of the product hierarchies in the Data Store sObjects, enabling the (formerly ) and Refresh Platform Cache (Incremental) jobs to use the hierarchy data.">Product Hierarchy Maintenance</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_clear_managed_platform_cache.htm&amp;release=264.0.0&amp;type=5" title="This job clears the org cache in the CPQPartition platform cache. The job does not affect other cache partitions.">Clear Managed Platform Cache</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="Maintenance Job Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e61 ">
              <p style="margin-bottom:0;">
                <a href="https://help.salesforce.com/s/articleView?id=ind.comms_refresh_platform_cache_full.htm&amp;release=264.0.0&amp;type=5" title="This job copies product hierarchy data to the platform cache and rebuilds the product attribute cache.">Refresh Platform Cache (Full)</a>
              </p>
            </td>

            <td data-label="Fresh Install" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e67 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e73 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Winter '23" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e79 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Summer '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e85 ">
              <p style="margin-bottom:0;">No</p>
            </td>

            <td data-label="Upgrade to Spring '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e92 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '22" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e98 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Summer '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e104 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e110 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Winter '21" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e116 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Fall '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e122 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

            <td data-label="Upgrade to Spring '20" class="slds-cell-wrap" style="vertical-align:top;" headers="d210984e129 ">
              <p style="margin-bottom:0;">Yes</p>
            </td>

          </tr>
        </tbody>
      </table>

- **[Behavior of Field Maps and Object Maps Maintenance in Winter '23 Release and Beyond](https://help.salesforce.com/s/articleView?id=ind.comms_behaviour_in_winter_23_release_and_beyond.htm&release=264.0.0&type=5)**  
    Previously, installing or upgrading the CME package required manual maintenance of field and object maps after the process. This involved running specific jobs that could potentially erase customizations.