Here are some polished versions of your title depending on tone, platform, and SEO focus:

Clean + Professional (Blog/Guide Style)

Pinterest Ads, iOS 14 Updates, and Holiday Advertising Strategy: What You Need to Know

How to Navigate Pinterest Ads and iOS 14 Changes for Your Holiday Campaigns

Holiday Advertising Strategy in 2024: Pinterest Ads and iOS 14 Updates Explained

Catchy + Engaging (YouTube/Video Style)

Pinterest Ads + iOS 14 Updates: Holiday Marketing Strategy You Can't Ignore!

Boost Holiday Sales in 2024: Pinterest Ads & iOS 14 Tips 🚀

iOS 14, Pinterest Ads & Holiday Ads Strategy – Step-by-Step Guide

SEO-Friendly (Search-driven)

Pinterest Advertising & iOS 14 Updates: Holiday Campaign Strategy 2024

How iOS 14 Affects Pinterest Ads and Your Holiday Marketing Plan

Holiday Marketing Strategy: Pinterest Ads and iOS 14 Changes Explained

I can also draft a full guide or video script covering:

How iOS 14 privacy updates impact Pinterest ad targeting.

Strategies to optimize holiday campaigns on Pinterest.

Creative ad formats, budgeting, and tracking conversions effectively.