Was Gear 5 planned since Chapter One of One Piece?

Oda is a master of foreshadowing. But was Gear 5 planned since Chapter One of One Piece? Or a random power-up as some fans believe?

One Piece Film: Strong World, One Piece Wiki

One Piece: Why don't the Gear 5 episodes have Opening 25? - Dexerto

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One Piece will have an opening 25 in Episode 1074 – Here's the sneak peak - Dexerto

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Was Gear 5 planned since Chapter One of One Piece?

Was Gear 5 planned since Chapter One of One Piece?

One Piece Luffy Gear 5 explained: Release date, animation

Chapter 1044, One Piece Wiki

One Piece': When Will Gear 5 Be Animated? Answered

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