Update - This story initially reported Mario Kart 8's previously-known spring release window as new. Shacknews regrets the error
Nintendo gave a better look at its spring line-up during its Nintendo Direct presentation today, including a narrowed release window for its 3DS headliner. Yoshi's New Island for 3DS is coming in spring of 2014. President Satoru Iwata also noted that Yoshi's New Island is being produced by Takashi Tezuka, the creative director behind the original Yoshi's Island.
Steve Watts posted a new article, Mario Kart 8 and Yoshi's New Island coming in spring.
Nintendo narrowed the release windows for two of its first-party titles today. Both Yoshi's New Island for 3DS and Mario Kart 8 for Wii U will launch in spring 2014.