Known issue. We have something similar on RPi3 and x86-64:
Post
RE: [RPi] FTPS Broken in LE12
There is a comparison table that indicates which versions of curl, along with their libraries, are used in the different LibreELEC versions. It is evident that under LibreELEC 12.0.1, 12.0.2, and the current nightly-20250415-e25b5e0 (v12.x), ftps does not function.
LibreELEC Generic.x86_64 and RPi2.arm curl comparison table:

With the current LibreELEC nightly-20250424-067110d (v13.x), ftps is operational again; however, various elements (folders/files) are constantly being omitted. This renders…
LibreELEC Generic.x86_64 and RPi2.arm curl comparison table:
With the current LibreELEC nightly-20250424-067110d (v13.x), ftps is operational again; however, various elements (folders/files) are constantly being omitted. This renders…

sittich
Please provide a full debug log.How to post a log (wiki)1. Enable debugging in Settings>System Settings>Logging2. Restart Kodi3. Replicate the problem4. Generate a log URL (do not post/upload logs to the forum)
use "Settings > LibreELEC > System > Paste system logs" or run "pastekodi" over SSH, then post the URL link
use "Settings > LibreELEC > System > Paste system logs" or run "pastekodi" over SSH, then post the URL link