From the update: "Why are QR Codes with capital letters smaller than QR codes with lower-case letters?" https://shkspr.mobi/blog/2025/02/why-are-qr-codes-with-c

From the update: "Why are QR Codes with capital letters smaller than QR codes with lower-case letters?" https://shkspr.mobi/blog/2025/02/why-are-qr-codes-with-capital-letters-smaller-than-qr-codes-with-lower-case-letters/ https://shkspr.mobi/blog/2025/02/why-are-qr-codes-with-capit... (https://news.ycombinator.com/item?id=43149077 https://news.ycombinator.com/item?id=43149077)