Question about Price code changes from 2.0.12B to 2.0.14

[lipes]

Hi ppl.
Can someone tell and help me where i can find the core code changes in Prices or tax/vat between 2.0.12 and 2.0.14 ?
I got an module (ChP) that was working fine (Price Range) until 2.0.12 B  and now with the update to VM 2.0.14 when someone search the min and max Price value for any product... the min and max add the vax / tax over the normal product price and the search is not correct ...

Thanks for any help!
Best regads