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 chapter 1092 spoilers: A major hint about Void Century - Dexerto

What are your thoughts on the current arc of 'One Piece'? It's been going on for a while now. Do you have any positive or negative thoughts? - Quora

Why do people believe Gear 5 was planned since Chapter One when, gear of 5

One Piece Day 2023: One Piece Day 2023 unleashes exciting announcements: Gear 5 debut, new anime adaptation, and more - The Economic Times

One Piece Battle Record Collection Monkey D. Luffy (Gear 5)

One Piece: Complete Gear 5 anime release schedule explained - Dexerto

One Piece's Creator Confirms Gear 5's Hidden Origins

In One Piece chapter 1044, how strong is Gear 5 Luffy? - Quora

Was Gear 5 planned since Chapter One of One Piece?

OP-05 manga card! : r/OnePieceTCG

Why do people believe Gear 5 was planned since Chapter One when, gear of 5