1. Change request at 12:27
-----------------------

Jan 10 12:27:05 sogod [20431]: <0x0x556dee1816c0[SOGoActiveSyncDispatcher]> EAS - request for device C9CF64644D1944D8A560D03F7C153DB8: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
<Sync xmlns="AirSync:">
 <Collections>
  <Collection>
   <SyncKey>1736506203</SyncKey>
   <CollectionId>vevent%2Fpersonal</CollectionId>
   <DeletesAsMoves>0</DeletesAsMoves>
   <GetChanges>0</GetChanges>
   <WindowSize>512</WindowSize>
   <Options>
    <FilterType>0</FilterType>
    <BodyPreference xmlns="AirSyncBase:">
     <Type>1</Type>
     <AllOrNone>1</AllOrNone>
    </BodyPreference>
   </Options>
   <Commands>
    <Change>
     <ServerId>290B-677FE580-31-122BB540</ServerId>
     <ApplicationData>
      <TimeZone xmlns="Calendar:">xP///00AaQB0AHQAZQBsAGUAdQByAG8AcADkAGkAcwBjAGgAZQAgAFoAZQBpAHQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoAAAAFAAMAAAAAAAAAAAAAAE0AaQB0AHQAZQBsAGUAdQByAG8AcADkAGkAcwBjAGgAZQAgAFMAbwBtAG0AZQByAHoAZQBpAHQAAAAAAAAAAAAA
      <DTStamp xmlns="Calendar:">20250110T112707Z</DTStamp>
      <StartTime xmlns="Calendar:">20250212T110000Z</StartTime>
      <Subject xmlns="Calendar:">Mittagessen Dagobert Duck</Subject>
      <UID xmlns="Calendar:">040000008200E00074C5B7101A82E00800000000F07EF645B062DB01000000000000000010000000AAEB3FBBDEAF2A46A6B6D5038B9032E8</UID>
      <EndTime xmlns="Calendar:">20250212T130000Z</EndTime>
      <Categories xmlns="Calendar:">
       <Category>JP</Category>
      </Categories>
      <Sensitivity xmlns="Calendar:">0</Sensitivity>
      <BusyStatus xmlns="Calendar:">2</BusyStatus>
      <AllDayEvent xmlns="Calendar:">0</AllDayEvent>
      <Reminder xmlns="Calendar:">10</Reminder>
      <MeetingStatus xmlns="Calendar:">0</MeetingStatus>
     </ApplicationData>
    </Change>
   </Commands>
  </Collection>
 </Collections>
</Sync>

Jan 10 12:27:05 sogod [20431]: <0x0x556dee1816c0[SOGoActiveSyncDispatcher]> EAS - response for device C9CF64644D1944D8A560D03F7C153DB8: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
<Sync xmlns="AirSync:">
 <Collections>
  <Collection>
   <Class>Calendar</Class>
   <SyncKey>1736506203</SyncKey>
   <CollectionId>vevent%2Fpersonal</CollectionId>
   <Status>1</Status>
   <Responses>
    <Change>
     <ServerId>290B-677FE580-31-122BB540</ServerId>
     <Status>1</Status>
    </Change>
   </Responses>
  </Collection>
 </Collections>
</Sync>



2. Change request gets broadcasted
-----------------------------------
Jan 10 12:27:07 sogod [23757]: <0x0x556df59f0ed0[SOGoActiveSyncDispatcher]> EAS - response for device E429277DBAF04AE1A5AC0E1F9E9D8B0A: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
<Sync xmlns="AirSync:">
 <Collections>
  <Collection>
   <Class>Email</Class>
   <SyncKey>42013-164408</SyncKey>
   <CollectionId>mail%2F2dff4e04c6265358eb110000a63bd99d</CollectionId>
   <Status>1</Status>
  </Collection>
  <Collection>
   <Class>Calendar</Class>
   <SyncKey>1736508425</SyncKey>
   <CollectionId>vevent%2Fpersonal</CollectionId>
   <Status>1</Status>
   <Commands>
    <Change>
     <ServerId>43D0-677FE580-25-45B4C700</ServerId>
     <ApplicationData>
      <AllDayEvent xmlns="Calendar:">0</AllDayEvent>
      <StartTime xmlns="Calendar:">20250212T110000Z</StartTime>
      <EndTime xmlns="Calendar:">20250212T130000Z</EndTime>
      <TimeZone xmlns="Calendar:">xP///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoAAAAFAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
      <BusyStatus xmlns="Calendar:">2</BusyStatus>
      <MeetingStatus xmlns="Calendar:">0</MeetingStatus>
      <Subject xmlns="Calendar:">Mittagessen Dagobert Duck</Subject>
      <UID xmlns="Calendar:">040000008200E00074C5B7101A82E00800000000F07EF645B062DB01000000000000000010000000AAEB3FBBDEAF2A46A6B6D5038B9032E8</UID>
      <Sensitivity xmlns="Calendar:">0</Sensitivity>
      <Categories xmlns="Calendar:">
       <Category>JP</Category>
      </Categories>
      <Reminder xmlns="Calendar:">10</Reminder>
      <NativeBodyType xmlns="AirSyncBase:">1</NativeBodyType>
     </ApplicationData>
    </Change>
   </Commands>
  </Collection>
...


3. New change request at 11:37
------------------------------
Jan 10 12:37:35 sogod [14321]: <0x0x556df42a0f80[SOGoActiveSyncDispatcher]> EAS - request for device C9CF64644D1944D8A560D03F7C153DB8: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
<Sync xmlns="AirSync:">
 <Collections>
  <Collection>
   <SyncKey>1736508450</SyncKey>
   <CollectionId>vevent%2Fpersonal</CollectionId>
   <DeletesAsMoves>0</DeletesAsMoves>
   <GetChanges>0</GetChanges>
   <WindowSize>512</WindowSize>
   <Options>
    <FilterType>0</FilterType>
    <BodyPreference xmlns="AirSyncBase:">
     <Type>1</Type>
     <AllOrNone>1</AllOrNone>
    </BodyPreference>
   </Options>
   <Commands>
    <Change>
     <ServerId>290B-677FE580-31-122BB540</ServerId>
     <ApplicationData>
      <TimeZone xmlns="Calendar:">xP///00AaQB0AHQAZQBsAGUAdQByAG8AcADkAGkAcwBjAGgAZQAgAFoAZQBpAHQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoAAAAFAAMAAAAAAAAAAAAAAE0AaQB0AHQAZQBsAGUAdQByAG8AcADkAGkAcwBjAGgAZQAgAFMAbwBtAG0AZQByAHoAZQBpAHQAAAAAAAAAAAAA
      <DTStamp xmlns="Calendar:">20250110T113737Z</DTStamp>
      <StartTime xmlns="Calendar:">20250212T110000Z</StartTime>
      <Subject xmlns="Calendar:">Mittagessen Dagobert Duck</Subject>
      <UID xmlns="Calendar:">040000008200E00074C5B7101A82E00800000000F07EF645B062DB01000000000000000010000000AAEB3FBBDEAF2A46A6B6D5038B9032E8</UID>
      <EndTime xmlns="Calendar:">20250212T130000Z</EndTime>
      <Categories xmlns="Calendar:">
       <Category>JP</Category>
      </Categories>
      <Sensitivity xmlns="Calendar:">0</Sensitivity>
      <BusyStatus xmlns="Calendar:">2</BusyStatus>
      <AllDayEvent xmlns="Calendar:">0</AllDayEvent>
      <Reminder xmlns="Calendar:">10</Reminder>
      <MeetingStatus xmlns="Calendar:">0</MeetingStatus>
     </ApplicationData>
    </Change>
   </Commands>
  </Collection>
 </Collections>
</Sync>
Jan 10 12:37:35 sogod [14321]: <0x0x556df42a0f80[SOGoActiveSyncDispatcher]> EAS - Change - Process change for folder personal easId 290B-677FE580-31-122BB540
Jan 10 12:37:35 sogod [14321]: <0x0x556df42a0f80[SOGoActiveSyncDispatcher]> EAS - Found serverId: 040000008200E00074C5B7101A82E00800000000E09B5642B062DB01000000000000000010000000AAEB3FBBDEAF2A46A6B6D5038B9032E8 for easId: 290B-677FE580-31
-122BB540
Jan 10 12:37:35 sogod [14321]: <0x0x556df42a0f80[SOGoActiveSyncDispatcher]> Change detected during Sync, we push the content.
Jan 10 12:37:35 sogod [14321]: <0x0x556df42a0f80[SOGoActiveSyncDispatcher]> EAS - response for device C9CF64644D1944D8A560D03F7C153DB8: <?xml version="1.0"?>
<!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
<Sync xmlns="AirSync:">
 <Collections>
  <Collection>
   <Class>Calendar</Class>
   <SyncKey>1736508450</SyncKey>
   <CollectionId>vevent%2Fpersonal</CollectionId>
   <Status>1</Status>
   <Responses>
    <Change>
     <ServerId>290B-677FE580-31-122BB540</ServerId>
     <Status>8</Status>
    </Change>
   </Responses>
  </Collection>
 </Collections>
</Sync>





Sourcecode leading to this
--------------------------
          // Fetch the object and apply the changes
          sogoObject = [theCollection lookupName: [serverId sanitizedServerIdWithType: theFolderType]
                                       inContext: context
                                         acquire: NO];

          // Object was removed inbetween sync/commands?
          if ([sogoObject isKindOfClass: [NSException class]])
            {
              [theBuffer appendString: @"<Change>"];
              [theBuffer appendFormat: @"<ServerId>%@</ServerId>", origServerId];
              [theBuffer appendFormat: @"<Status>%d</Status>", 8];
              [theBuffer appendString: @"</Change>"];
              continue;
            }