Klára Jelínková Along with yesterday performance of new MacBook Pros, Apple has stopped selling the 2015 model. So if you are not satisfied with the improved keys or the absence of traditional ports on the newer models, you probably have the last chance to get an older model from 2015 at authorized dealers. The 2015 MacBook Pro may not be as fast as newer models, but it's still a pretty decent machine for the money.
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The 15-inch MacBook Pro from 2015 was still available in the Apple online store until yesterday, but its era is gradually coming to an end. The model offered many features that users loved, but over time they were changed or completely disappeared with the arrival of new versions of the MacBook Pro. One of the great examples is the wide range of connectivity options, when it had a pair of Thunderbolt 2 and USB-A ports, HDMI, an SD card reader, and the revolutionary MagSafe power connector. Unfortunately, most of them are no longer available in new Macs. All newer models only include Thunderbolt 3. Those looking for expanded connectivity options without the use of various adapters are now limited to the MacBook Air, which offers two USB-A ports, an SD card reader, and MagSafe 2.
But the most popular thing about the old Mac was definitely its "classic" keyboard. Newer models have switched to the butterfly version, but it doesn't suit everyone. The new mechanism was even defective in some cases, which is why Apple launched a service program that offers a free repair.
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David Hanak 
Write the truth that the butterfly keyboard is a complete disaster.