Ordered the mattress in spring 2021 and received the improved version.

No, according to David's answer, this is not the 2020 variant....

Here is all the information we have on this product: - Perfect spinal support from day one until the age of 4. - The Baby Fresh and Dry cover is moisture-regulating and breathable. - Cover material TENCEL® fibre (37% Lyocell, 63% Polyester) - The mattress cover is removable in two parts and washable at 60°. - Made in Germany - Dimensions: 70 x 140 x 10 cm - OEKO-TEX© Standard certified The cold foam structure of the 3-layer mattress supports and adapts optimally to the spine. The mattress is TÜV and Öeko Tex Standard 100 certified and is made in Germany. Unfortunately we do not know the density. I'm sorry.

The masses are as follows: 70x140 cm Total approx. 13cm high