Question for Herren Jung and Heilman re SE11 vs SE16n DDIC Buffers

In a dev logical system (XY1:nnn), I make a change to the domain and data element of a key field in a custom table.
The change is immediately seen in SE11 in client mmm of system XY1 (the dev test client), i.e. when rows of the table are displayed, the display header row picks up the new field label associated with the new data element that was assigned to the table column in client nnn.
But NOT so with the display in SE16n - the display header row shows NO literal for the redefined column
And more importantly, if I turn on editablity via &SAP_EDIT in SE16n, the column validation criteria are STILL those associated with the value range of the OLD domain, not the value range of the NEW domain that was just defined in client nnn and associated with the column via the new data element.
But if I wait overnight, SE16n in client mmm is now aware of all the changes in nnn, i.e. the field label display is correct for the column, and the column validation criteria are correct.
So - was gibt's, guys?
What is SE16n relying on that SE11 is not relying on?
And is this a bug in ECC 6, or a feature?

I think it will depend on how the buffer is managed (updated) and which memory area it is in.
In the case of the user buffer, it has a "flag table" which lets the memory roll (every 40 minutes) or the event of a logon (by the user) or a started new task (by the programmer) remove the flag again and reload the buffer for those key field values they were flagged for. You can set this flag using the ok-command RSET in SU01 or some obscure FMs can do it for individual users.
So my understanding here is that if you similarly invalidate the buffer in this case (e.g. using the report mentioned by Sandra) then when you next access the record then it will load the ALV buffer again and show the (hopefully correct) DDID value, or , after 40 minutes the memory will roll and update the buffers (also potentially some DDIC buffers used by SE16N?) and then things will be straightened out again...
... unless you made &SAP_EDIT changes in the meantime (or ill thought out ones at all) in which case all hell breaks loose...
I still think the problem is with how SE16N is reading the DDIC of the table. It should be moved to BC components and then bypass buffering IMO.
Cheers,
Julius

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