Disney Answer: Yes
The nightly fireworks show at Epcot is currently called IllumiNations: Reflections of Earth, and starts nightly at 9:00 PM and lasts 12 minutes, subject to the weather conditions or course. Illuminations is available for viewing all around the World Showcase, just find a good spot with a decent view of the water, and you are good to go.
Illuminations has been part of the Epcot landscape since 1998, and is scheduled to be replaced later this year. Sometime in the late Summer or early Fall of 2019, Disney will introduce Epcot Forever, an interim show that will feature classic Epcot tunes, surely to be a hit with long time Epcot fans.
Sometime in 2020, the new permanent show, A Celebration of Disney Music, will replace Epcot Forever.
While no exact dates for the changes have been announced, it appears that there will not be any transition period between the shows, and fireworks will continue to be displayed every night.
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