Change in TRV behaviour . . .

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I have been prompted to write here by this post:

https://community.tado.com/en-gb/discussion/12056/temperature-oscillation#latest

This heating season I have noticed that the Tado valves seem to be part closing as the target temperature is approached so that rooms are taking a long time to reach it. I wonder if the software has been changed to avoid overshoots and whether anyone else has become aware of something similar?