What works right now

• Borderlands 4 has full cross‑play across PS5, Xbox Series X|S, PC (Steam/Epic), and Nintendo Switch 2.
• You enable it by linking a SHiFT account and turning on cross‑play in the in‑game settings; after that, you can squad up with friends on any supported platform.
• This works from launch and is part of Gearbox’s push to make BL4 the most accessible co‑op entry in the series.

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What doesn’t work yet (cross‑progression)

• At launch, Borderlands 4 does not support cross‑save or cross‑progression: your characters, story progress, and loot are locked to the platform you’re playing on.
• Linking SHiFT does not move your save; it’s only for matchmaking, social features, and rewards.
• If you buy the game on PS5 and later pick it up on PC or Xbox, you currently have to start over on that new system.

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Future plans and dev comments

• Gearbox has said in Steam posts and interviews that cross‑save / cross‑progression are “on our radar” and planned for a future update rather than something they’ve canceled.
• Randy Pitchford reiterated at PAX Australia that they’re committed to delivering cross‑save and cross‑progression, framing launch as “step one” with cross‑play and later patches to follow.
• A 2026 roadmap mention called out cross‑save progression as one of the top community requests they’re actively working toward, alongside more endgame content.​

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What this means for you

• If you mainly play on one platform, you’re fine: you get full cross‑play and don’t really feel the missing cross‑progression.
• If you bounce between PC, console, or Switch 2, you should pick your primary platform carefully, because moving later will mean starting from scratch until Gearbox actually ships cross‑save.
• Best move right now: choose the system where you expect to put the most hours (or where most of your friends are) and treat any future cross‑progression patch as a bonus, not a guarantee on a date.