Changelog
What's new
What's new
in Download SIU
What we keep improving in each app, version by version — desktop and Android move at their own pace, so each one has its own numbering.
Format X.Y.Z — X: major changes · Y: new features · Z: fixes and improvements
✨ New
⚙️ Improved
🐛 Fixed
🖥️
Desktop
Download SIU · since May 2026
3.1.6Faster, more reliable subtitlesNovember 2026
✨
Subtitles + AI: optional GPU pack for much faster transcription on supported graphics cards.
✨
Subtitles + AI: optional higher-quality (HD) translation model for more natural results.
🐛
Lines left untranslated are now caught more reliably — both stray English words and text in another alphabet (such as Chinese or Korean) — and retried a second time automatically.
3.1.5Video rotation & smarter ConvertOctober 2026
✨
New manual video rotation (90°/180°/270°) in Convert — instant (metadata only) or fully re-encoded for guaranteed playback anywhere.
⚙️
Convert's "keep as original" option now properly detects the file and copies it instead of re-encoding whenever possible, and warns you upfront if a file's codec can't be copied in any supported format.
⚙️
Convert's settings panels can now be collapsed to free up more room for the file queue.
🐛
Fixed the download queue's "clear completed" button always leaving one finished download behind.
🐛
Fixed the output format (MKV/MP4) not being remembered between sessions.
3.1.4Final polishOctober 2026
🐛
Several minor stability fixes when using multiple AI tools at once.
⚙️
Small general performance improvements.
🐛
Various small fixes gathered from the most recent testing round.
3.1.0More accurate subtitlesOctober 2026
🐛
Fixed some subtitle lines staying in English even when Spanish was requested.
🐛
Fixed small timing mismatches between the voice and the subtitle in some videos.
⚙️
Better overall verification of the generated language against the one you asked for.
3.0.0Renewed licensing & stabilityOctober 2026
⚙️
Better handling of offline use, with a clear day limit before you need to reconnect.
🐛
Fixed a case where your PC's unique identifier could be confused with another machine's, if it had the same processor model.
🐛
Fixed a window that could open outside the visible area on multi-monitor setups.
⚙️
Renewed licensing and startup foundation, end to end.
2.1.0Close guard & tidier downloadsOctober 2026
✨
A warning before closing the app if there's work in progress, with automatic saving and the option to restore your session.
🐛
Duplicate downloads are no longer created when the same URL is requested twice — they now join the same job.
🐛
Better cleanup of download processes that would sometimes get stuck running in the background.
2.0.0Unified resource managementSeptember 2026
✨
Every tab now shares CPU and GPU management — they no longer compete with each other when several tasks are active.
✨
New shared RAM protection across the app's five AI tools.
🐛
Fixed an issue that could briefly freeze the whole app while monitoring hardware usage.
⚙️
Renewed technical foundation to support the growth of the suite, which already brings together five different tools in one app.
1.9.0Faster, more reliable ConvertSeptember 2026
⚙️
Pausing a conversion or download now genuinely stops it and continues later — it no longer restarts from scratch.
⚙️
GPU usage is now adjusted independently for each file being processed.
🐛
Fixed a race condition where two conversions could start at once without respecting the configured limit.
✨
New automatic batch mode, to process many files at once without configuring each one.
⚙️
Change a setting by hand, and the app remembers it as your preference for next time.
1.8.0Better GPU supportSeptember 2026
🐛
Better detection of AMD and Intel graphics cards — only NVIDIA was taken full advantage of before.
⚙️
The app picks the best available GPU engine on each machine by itself.
⚙️
Benefits both Convert and WaterClean, which already share the same video engine.
1.7.0Vertical auto-cropSeptember 2026
✨
New automatic crop to vertical format (9:16) for social media, ready for TikTok, Reels and Shorts.
✨
Optional face tracking, to keep the speaker centered even as they move.
⚙️
Falls back to a centered crop if no face is found — never blocks the export.
⚙️
All done in the same pass that burns in the subtitle, with no separate video editor needed.
1.6.0Voice & music separationSeptember 2026
✨
New "Karaoke" mode: separates voice from music in any audio or video.
✨
Available as a standalone feature and also built into Subtitle + AI.
⚙️
100% local and free processing, no account or key of any kind.
⚙️
Voice, music and video can be recombined afterward in any order.
1.5.1Performance & startupOctober 2026
⚙️
Better CPU and GPU sharing between tabs when several tasks are running at once.
🐛
Pausing a download or conversion no longer restarts it from scratch.
✨
The app now shows its own screen (with fun facts while you wait) while installing an update or finishing startup — no more blank screens.
1.5.0Rename & metadataOctober 2026
✨
New Rename tab: rename many files at once, with find-and-replace and automatic numbering.
✨
New "Add my own metadata" switch: stamp your own author, copyright and comment onto anything you process.
⚙️
The "Remove/clean metadata" switch is now respected equally across every function (downloads, Convert, WaterClean, Subtitle + AI, Dubbing).
1.4.1Dubbing fixesAugust 2026
🐛
Better detection of male/female voices — some voices sounded ambiguous.
🐛
Fixed a dubbing language that came out almost silent.
1.4.0Dubbing AIAugust 2026
✨
New Dubbing tab: change a video's spoken language while keeping the original video.
✨
Each speaker gets their own voice, detected automatically — no need to mark who's talking.
✨
The dubbed voice times itself automatically to match the original video.
1.3.0WaterClean integratedAugust 2026
✨
WaterClean is now a tab of its own: remove watermarks with 3 methods (fast filters, precise manual masking, or AI) without leaving the app.
✨
Tracking for watermarks that move (not just static ones), plus a before/after comparison slider.
✨
Optional cloud AI with your own key (compatible with providers like the one used for image reconstruction) for faster results than the local engine.
1.2.1Subtitle + AI fixesJuly 2026
🐛
Translation with the local engine was taking much longer than expected on long videos — improved.
⚙️
More subtitle formats supported when loading your own file.
🐛
Fixed the subtitle disappearing when the video went fullscreen.
1.2.0Subtitle + AIJuly 2026
✨
New Subtitle + AI tab: automatically transcribes and translates subtitles.
✨
Free local engine, or connect your own OpenAI / DeepL key for more speed.
✨
Editor with a live preview right over the video, before exporting.
✨
Three export modes: a separate file, embedded without re-encoding, or burned into the video.
1.1.1Convert fixesJune 2026
🐛
Fixed custom values (FPS, bitrate) that weren't applying correctly in some cases.
🐛
Clearer error messages when a conversion fails, instead of a meaningless code.
✨
Clip trimming: you can now cut several segments from the same video at once.
1.1.0ConvertJune 2026
✨
New Convert tab: change format, resolution, codec and bitrate for your files.
✨
GPU acceleration when your PC supports it, and instant lossless remux when possible.
✨
Savable profiles, so you don't repeat the same settings every time.
1.0.0LaunchMay 2026
✨
High-quality video and audio downloads, straight to your computer.
✨
A download queue that runs several at once, plus separate audio extraction.
📱
Android
Mobile app (APK) · since August 2026
1.1.4Downloads that keep goingNovember 2026
✨
Downloads now keep going in the background even if you close the app, and resume on their own after a network cut or interruption.
✨
New "Move to Download-SIU" button in the Library for files saved inside the app.
✨
Choose your own nickname in your Profile.
⚙️
Downloading the same file again no longer overwrites it: copies are named "Name (2)", "Name (3)"…
⚙️
Downloads that need our server now wait in a fair queue when it is busy, so everyone gets a turn.
⚙️
Your account code appears in your Profile and is used by "Buy a plan", so a payment activates the plan on your phone.
🐛
Clearer messages when sending a file to your PC over Wi-Fi doesn't complete.
1.1.3Update fixesOctober 2026
🐛
No more duplicate installer files left in Downloads when updating.
⚙️
The app detects when the update is already downloaded and doesn't fetch it again.
⚙️
Better overall handling of the background update process.
1.1.2Bridge to PCSeptember 2026
✨
Send a download from your phone to your PC over the same network, no cables.
⚙️
"Send to my PC" now shows up as an option for any download the phone can't complete on its own, not just specific cases.
✨
"Remove metadata" switch now also available on the APK.
⚙️
Better detection of when the phone can't complete a download by itself.
1.1.1Licensing fixesAugust 2026
🐛
Reinstalling the app no longer loses your activated license: it recovers on its own.
🐛
The update no longer gets stuck in a loop asking to install without progressing.
⚙️
Clearer messages when the license can't be validated due to no internet connection.
1.1.0Downloads & sharingAugust 2026
✨
YouTube downloads are now resolved directly on the phone: faster and more reliable.
✨
Share the app with your friends via WhatsApp, Telegram or social media with one button.
⚙️
Better queue handling when you request several downloads in a row.
1.0.0LaunchAugust 2026
✨
Download SIU arrives on Android.
✨
Free 5-day trial, no account or card required.
⚙️
Compatible with the same major sites as the desktop version.
Missing something, or found a problem?
Let us know and we'll look into it — this page gets updated with every new version.