Conditional Formatting in Dash Table 3.7.0?

And to answer my own question as my afternoon coffee kicked in and I was finally able to parse the release notes on github: https://github.com/plotly/dash-table/blob/master/CHANGELOG.md#370---2019-05-15

style_data_conditional=[
    {'if': {
        'filter': '{Status} eq "OK" and {At_Check} eq "Up"'
        },
        'backgroundColor': '#3D9970',
        'color': 'white'},
]

This is a much nicer syntax than before. But I’m not totally sold on using { and } for fields as I see mixing them with f-strings, e.g.

my_field_1 = 'Status'
my_field_2 = 'At_Check'
style_data_conditional=[
    {'if': {
        'filter': f'{{{my_field_1}}} eq "OK" and {{{my_field_2}}} eq "Up"'
        },
        'backgroundColor': '#3D9970',
        'color': 'white'},
]

But hey you’re really going to notice where you use those!