Sorry no I don't think I will because I would need to pay for this and not many people are interested in this.

It's not possible currently, you have to set the exchange rate yourself.

But when I create a new transaction with no category, it doesn't turn yellow. Why does this happen, even with the "Transaction being created" option checked? You have to apply rules with the menu item or cmd + R, it's not fully automatic to avoid problems. By the way, how should I make su...

Yes, you can use the previous transactions feature like shown here or you can create a rule.

I can remove it if you send me your accounts file by email.

You can force showing the account mapping screen : viewtopic.php?p=8741#p8741

Currently the display of the bar chart is not customizable in the way you want sorry.

[Splits] The category is Accounts means that the condition will be true if any of its splits has the category "Accounts" and since it's in the transactions filtrer, the whole transaction gets discarded. Instead of that, I think you want to add a condition None of the following is true wit...

Yes, in the categories list you can create a new [Accounts] category and make all these 93 categories children of this new category. When this is done, you can add a "None of the following is true" condition in your report with "The category is descendant of [Accounts]" inside.

You won't be able to import MoneyWiz database directly into iCompta, first you need to export in OFX, QIF or CSV format from MoneyWiz.