Fortnite's Latest Season is a Strange Beast Without Building

gamerant.com:

Expanding off the foundational PUBG, basically every battle royale game has found its own niche through unique mechanics, style, and other characteristics unlike any other comparable title in the genre. What set Fortnite apart from the rest was the Building mechanics; dedicated base-building capabilities leftover from the game's origins as a defense/survival game. One of the most iconic parts of Epic Games' battle royale title, a squad's offensive and defensive capability is largely defined by players' abilities to build and counter-build around opponents. Theoretically, the removal of building from the game would drastically alter the game's meta, and that's exactly what's happening now.

With Season 2 of Chapter 3, Fortnite has temporarily disabled building in favor of some similarly drastic changes to movement abilities and other major balance changes. Among other things like Doctor Strange headlining the next battle pass, the short-term shift away from building leaves in favor of an additional overshield, a tactical sprint, and a new mantle/parkour system. It is a surprising departure, even for a game known for its shape-shifting meta and unpredictability, and has effectively turned Fortnite into a very different game. It is still a temporary change, but Fortnite has never changed as drastically as eliminating the building mechanics, and the results have been unusual.

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While there isn't exactly a complex reason from the story, besides «Building has been wiped out,» Fortnite will not have any building from now until April 3. Any kinds of walls or traps cannot be placed, though players can still use their pickaxe to break through