There are great features planned, all of which you will find in the roadmap. Two of my personal favorites which have the power to catapult XSPEC into the stratosphere and beyond are Stealth Staking and the mobile wallet with staking capability.
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It's a common mistake to think an asset price will explode after something on the road map is finished but in the real world things don't work like that. In general, if something has been announced (i.e. public knowledge) it's already included in the price. The only way for it to rise would be if people were unaware of it being on the road map.
You are right but also you are not.
It is true that it is includet in the price, but when the feature finally appear, maybe itself does not help the price to go up, but it is more likely that more news will appear about this coin so more people will get to know this coin and price is going UP.
I would think it depends on the novelty feature: something that is new to the product but otherwise proven to work, the initial announcement might be sufficient to trigger a price increase and then nothing else anymore. However, if it's a feature (such as stealh staking, or wallet with staking feature), which is unique and "new to the world", the initial announcement might lead to some smallish price increase. When the technology is released and proves to work, then the large price increase will happen.