I just updated Minecraft to the latest version and the logo has changed unlike usual

Please do not mark reports as Private unless they contain an exploit. Never share personal information on this bug tracker.

Please do not use such general Summaries as "logo bug". Everything on this site is a "bug", so it is best to be specific.

that's the new minecraft logo, not the beta logo

This is intentional, see https://www.minecraft.net/en-us/article/our-icons-are-changing.