Thanks Hans, works now as expected.

Am 6. Juni 2024 16:30:56 MESZ schrieb Hans Hagen <j.hagen@xs4all.nl>:
>On 6/6/2024 12:21 PM, Lutz Haseloff wrote:
>> Thanks Hraban,
>> 
>> my Noto Serif (just downloaded) is 2.013
>> 
>> --script font shows kern too:
>> kern cyrl dflt
>>             dflt dflt
>>             grek dflt
>>             latn dflt
>(^^ but not all steps are shared!)
>
>I updates that font (updating noto is a pain .. there was a zip once, now one has to download per font unless i miss something).
>
>Indeed you don't get kerns out of the box. Try this:
>
>\char42\char38
>
>and you will see a kern. However, that's the 'shared portion' so in order to get the rest you need to do:
>
>\definefontfeature[default][default][script=latn]
>
>as it looks like dflt/dflt is no longer does that ... keep in mind thta fonts are not downward compatible so never update (or let your syetem do it) in the middle of a project
>
>Hans
>
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