With the change to prizes ever 15 minutes the size of the Grid Forecast Sensor (attributes) have been also increased by factor 4 - Unfortunately HA can only handle a max size of 16384 bytes. So I have to remove the 'end' key from the forecast array. Since this info was IMHO anyhow redundant, since n:end value is always n+1:start.
Also thanks to @pergolafabio for reporting #182 and fixing it in #183
... aaaand since of #178 you might (or will be for sure) requested to repair the unit in the statistics data - since the sensor unit changed from (invalid) CO2/kWh to (valid) g/kWh
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I the past weeks I had to invest plenty of my time in order to keep the Integration up to date with the latest changes... And there might be just more that will come around the corner...