Package versions:
devexteme version: 18.2.7
devextreme-angular version: 18.2.7
Steps to reproduce:
add format= '#,###.##' in grid column like this:
<dxi-column
dataField="yourDataField"
dataType="number"
format="#,###.##">
<dxo-format type="fixedPoint" [precision]="2"></dxo-format>
</dxi-column>
and then type number that include '0' or paste number that include '0'.
Current behavior:
The zero value not appear.
Expected behavior:
The zero value must appear.
Screenshots:

This is expected behavior. It is necessary to add a leading zero to the format to show 0 in a column. So, you can set the format in this way to resolve the issue:
format="#,##0.##"
OK thanks @LexDX