Recently came across a project that stopped their ICO, they stated that this is due to market conditions and will resume at some point but this date has not been defined.
My question for you is, how common is this? Is this a new trend that we are seeing because the community is becoming more cautious about investing in projects?
Yes, this is a common trend. Startups pause or even cancel their ICOs.
After that, some of them (good projects) continue develoment using own funds while the rest (usually not so good projects) just wait for the market recovery to re-launch token sale.