The further detail is on https://www.xara.com/designerpro/v20/.

Some of its detail:

Font Selection
Automatically find and apply installed fonts with special characters.

Working with tables
Now you can design tables, product sheets, and invoices in Xara, use and edit them in PowerPoint and MS Word documents.

Copy external data into Xara
Copy and paste data from spreadsheets or other external sources into your Xara tables; for accurate and beautiful marketing and sales docs.

Fully Customizable tables
Re-order rows & columns with a simple click & drag, paste multi-line text from spreadsheets and copy cells from one table to another.

CMYK Color Profile Control
The Color Profile used to display CMYK colors on screen and on export can now be controlled for each document, via the View tab of the Options dialog

Fast-loading lines and brushes
Previous versions of Xara experienced a delay in loading the Line Gallery which in some cases also caused the current selection to be lost.

Widgets got more accessible
Using Widgets, Symbol Picker, Google Font Finder and the Erase Tool Guide are now accessible with the latest Microsoft Edge technology for a smooth workflow and widest range of widgets like PayPal and YouTube.

Align Toolbar
The distribute options on the Align Toolbar have been changed from Distribute centers, to Distribute equally spaced, a more common requirement because it works well with objects of different sizes.

A superior mobile experience
Page animations got improved on pages with vertical scrolling. A vertical swipe will no longer changes page on pages with vertical scrolling or if text selected.

Show readers where they stand
Now you can automatically show total pages alongside current page, for example Page 3 of 44. Just go Insert > Page Count. You can enter complex numbered lists, including a parent number.

Export as SVG
Export more types of graphical object to web using SVG instead of having to make separate bitmap image files for each one. As a result your website and web documents load faster.

New Repeating Objects option
The Repeating Objects feature now offers a ‘Make Repeating’ option. This turns the current selected object into a Repeating Object, without automatically copying it to all pages - you can then copy it onto selected pages.

If you purchase before year end, you have a 60% discount for a perpetual licence - with no updates. It is also many releases behind Xara Designer Pro Plus (subscription). The latter is updated about bi-monthly (6 times a year0.
v20 is missing SVG element rendering for HTML and oodles of improvements that Pro Plus currently has. Expect a similar v21 upgrade cost, if it appears in a year's time.

You therefore have a cost and capability trade-off.
v20 --- £120/y (discount [60MAGIXV20])& behind by about two years.
Pro+ --- £108 (first year discount [40PLUS]) but £180/y thereafter & fully up-to-date. Xara usually offers attractive discounts every year.
So costs are almost on parity.
The lag will always put you a further £240 out-of-pocket, if you drop the subscription and want to have almost identical functionality.

My personal opinion, if you are a professional designer go for Cloud Pro+ - £204/y, but haggle with Xara for the Designer Pro+ discount. Give up a shop coffee each week to pay for it.
If you are a hobbyist (or the professional designer above) then get v20 and buy an upgrade every couple of years.

tl;dr Pay £200/y subscription for the latest and/or £100/y for a perpetual licence with a 2-year lag in function.

Acorn

P.S. Either path brings in Xara Support, making Magix a dim past.