Firefox sync times out on IOS

On IOS, for the last few days, the syncing of my profile has been failing, because of a timeout. I have gone so far as to delete my many year-old Firefox Sync profile and rebuild it from scratch, reconnecting various machines. I have also carefully examined said profile, bookmarks, etc. I am unsure of what the timeout issue is, and whether it can be addressed, or of whether my particular use-case is no longer suitable (over the last few days) from Firefox Sync, which is one key reason I've been using Firefox more or less since inception. Any advice, or is there a bug in the Sync back or front-end? The relevant log lines are, I think: 2026-04-10 13:41:55.124 INFO [lifecycle] UIViewController+Extension - HistoryPanel will appear 2026-04-10 13:41:55.230 DEBUG [library] HistoryPanelViewModel - currentFetchOffset is: 0 2026-04-10 13:41:55.946 WARNING [sync] RustErrors - Sync of bookmarks failed! RequestError(BackendError("Request timeout")) - target: sync15::client::sync_multiple 2026-04-10 13:41:55.951 INFO [sync] RustErrors - Finished syncing engines. - target: sync15::client::sync_multiple 2026-04-10 13:41:55.954 DEBUG [sync] RustErrors - sync was successful, final status=NetworkError - target: sync15::client::sync_multiple 2026-04-10 13:41:55.958 INFO [sync] RustErrors - Sync finished with status NetworkError - target: sync_manager::manager 2026-04-10 13:41:55.963 INFO [sync] RustErrors - engine "bookmarks" status: Err(RequestError(BackendError("Request timeout"))) - target: sync_manager::manager 2026-04-10 13:41:55.968 INFO [sync] RustErrors - engine "passwords" status: Ok(()) - target: sync_manager::manager 2026-04-10 13:41:55.973 INFO [sync] RustErrors - engine "tabs" status: Ok(()) - target: sync_manager::manager 2026-