For automated lists that update daily, developers use scripts to "fix" the fetching process.
can download and update your M3U files daily to a local directory. Stack Overflow Popular Tools for Using M3U Files
Sometimes, when you download an M3U file, your computer might mistakenly save it as a .txt or .html file.
Some servers send compressed M3U files. Add --compressed to auto-decode:
If this returns anything, your download grabbed an error page, not an M3U file.
: Right-click the M3U URL link and select "Save Link As..." or "Download Linked File" .
: Frequent updates from providers can change channel lists; a "Fixed Download" feature allows for scheduled refreshes or manual one-click updates to keep the local copy current. Standard Workflow
Would you like a sample script (Python) that implements this and produces a downloadable fixed M3U file?