Proton Experimental fixes voice lines, EA App splash screens and Borderlands 4

Valve's latest Proton Experimental update patches missing voice lines in STEINS;GATE RE:BOOT, an EA App display bug and a Borderlands 4 console glitch.

AI-drafted from 1 source. This story was written with AI from the outside reporting listed under Sources, and checked by automated tools before it went up. The originals have the full detail.

Valve has pushed a small update to Proton Experimental, the testing branch of its Windows-on-Linux compatibility layer, fixing bugs in three unrelated titles: the visual novel STEINS;GATE RE:BOOT, EA's launcher app, and Borderlands 4. It is a modest patch by any measure, but it is the kind of grind that keeps SteamOS and Linux gaming inching forward.

According to GamingOnLinux, the update landed on 11 September, following an earlier one on 4 September. Proton Experimental sits apart from the numbered, stable Proton releases: it is where Valve tries out fixes before they get folded into a proper version. Anyone running SteamOS or a Linux desktop can switch to it by searching for Proton in their Steam library, though it is aimed at people willing to tolerate the odd rough edge in exchange for the newest fixes.

What actually got fixed

The headline fix is for STEINS;GATE RE:BOOT, where some character voice lines were reportedly missing entirely. That is not a small thing for a visual novel, a genre that lives or dies on dialogue and voice acting doing the heavy lifting the prose does not. The update also resolves an issue where EA App titles were displaying the wrong splash image on launch, a cosmetic bug but a jarring one, and stops Borderlands 4 from popping up a command prompt window on its first run, the kind of stray Windows artefact that has no business appearing on a Steam Deck.

Three more games have been marked Playable for the first time under this build: 8bit Fiesta: The Drinking Game, Bloody Zombies, and Soul Land: Awakening World. GamingOnLinux also notes that Wine Mono, the open-source implementation of Microsoft's .NET framework that Proton uses to run .NET-dependent Windows applications, has been bumped to version 11.2.1.

Why this keeps mattering

None of this is dramatic. There is no new hardware, no headline exploit, no big licensing row. What it shows is the unglamorous maintenance work that Valve and the Wine and Proton contributors do on a rolling basis, chasing down launcher quirks and voice-line bugs one title at a time. For Steam Deck and SteamOS users, that steady drip of fixes is the actual mechanism by which the phrase “it just works” becomes true for more of the Windows game library, rather than a marketing line.

It also underlines how much of modern PC gaming compatibility now runs through EA's own launcher rather than Steam alone, since a splash-image bug in the EA App matters to anyone trying to run EA-published titles through Proton on Linux. Borderlands 4's command-prompt quirk is a reminder that even big-budget releases can carry small platform-specific rough edges that only show up once people outside Windows start poking at them.

What is not clear from the GamingOnLinux report is how widespread these bugs were, or how long they had been sitting unresolved before this build. There is also no detail on what caused the missing voice lines in STEINS;GATE RE:BOOT in the first place, whether it was a Proton-side issue or something specific to how the game packages its audio. Valve's own release notes, linked from the article via the Proton GitHub, would presumably have the granular changelog for anyone wanting to check the exact commits.

Sources

Image: GamingOnLinux

More news from Gaming World