Put char with sed

put char on position X with sed
 
put space on position 5
echo 1234567 | sed 's/./& /5'

put . on position 5
echo 1234567 | sed 's/./&./5'

Updatable objects appear as 'no longer supported'

  Symptoms In some scenarios, the following validation warning appears on an updatable object: " Object is no longer supported. Enforci...

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