The "v1.5" part of the title is significant because it marked when Cyberpunk 2077 was widely considered "fixed". Major additions included: Cyberpunk 2077 - Patch 1.5 Update
You have a mismatch between the base game exe version and the language pack version. Fix: Ensure both the game and the pack explicitly state v1.5 . Do not mix a v1.5 pack with a v1.31 game build. Re-download the pack from a trusted scene source. Cyberpunk 2077 Language Pack v1 5-CODEX
If you have the Cyberpunk 2077 v1.5-CODEX repack or ISO release, you may have noticed that your installation defaults to English (or a single language) to save bandwidth. To experience the game in French, German, Spanish, Japanese, Chinese, or Polish (the native language of CD Projekt Red), you need the dedicated . The "v1
Act 1 — Hook Ira sells customized voice overlays and minor translation fixes to locals. Zee brings them the CODEX pack: "v1 5" — rumored to unlock unreleased NPC lines and deliver true immersion. Ira installs a client to inspect and discovers fragments of deleted dialogues and strange grammar trees that shift in real time. They patch a customer’s translator with the pack; the customer's speech begins adopting new idioms overnight. Do not mix a v1