What is the maximum file size for overlay gpx?

Discussion Website
1

File size exceeds the maximum limit for overlays, consider splitting the file into separate files

(Debug information, this helps us helping you, you can remove this if you don’t want to share this data, it should not contain any personal or sensitive information)
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
Cookies Enabled: true
Screen: 2048 x 1152 px - 1.25dppx

2

Currently 10k points per overlay and somewhere around 5-15MB per GPX file (the limit depends on the file content).