According to detailed user-compiled notes on GameFAQs , certain platforms received unique fixes:
For additional gameplay context, the Dark Souls Wiki provides a historical overview of all version changes, including the fundamental differences between the original game and the Remastered edition. Dark Souls: Remastered - Patch note 1.03 DARK SOULS REMASTERED Update v1 03-CODEX
Fixed a bug that caused players to become invisible during online sessions. According to detailed user-compiled notes on GameFAQs ,