Features

The Launcher feature list and status. Legend: ✅ done · 🔨 in progress · ⏳ planned · 💡 exploring. What shipped lately is at stygion.eu/updates.

• ✅ Vanilla launch — Mojang version manifest → asset/library resolver (shared dedup store, SHA1) → spawns the real MC.
• ✅ Forge / NeoForge — the loader is merged into vanilla data, the installer runs once and afterwards is only verified (SHA-1); the game starts even when the loader's Maven is down.
• ✅ Fabric / Quilt — loader profile, libraries from loader meta.
• ✅ Old versions — Minecraft 1.7 to 1.18 run with Mojang's Log4Shell fix; old Forge (≤ 1.12.2, e.g. GregTech on 1.7.10) installs and launches.
• ✅ Java auto-detect + download — Adoptium/Temurin per javaVersion, checksum, per-major runtimes.
• ✅ "Recommended" JVM flags and Auto memory — worked out for the Java that actually runs the game.
• ✅ 0.10 Auto memory is 75 % of RAM for instances with mods (up to 12 GB, at least 3 GB for the system; plain Minecraft 2–3 GB, what you set yourself is not changed).
• ✅ Cross-platform data folder — optional move (copy → verify → relaunch → delete).
• ✅ Wrapper and environment variables at launch on Linux (gamemoderun, mangohud).

• ✅ Microsoft sign-in — auth-code + PKCE + loopback redirect (in the browser).
• ✅ Offline accounts — a local profile without Microsoft.
• ✅ Multi-account library — switching, active account, skin and head from the real texture.
• ✅ STYGION ID — optional launcher linking, nothing requires it.
• ✅ Friends, chat, presence and Discord avatars.
• ✅ 0.10 Badges and leaderboard — counted by STYGION ID, three steps, a showcase, Collection / Leaderboard (season or overall), a friend's profile with Compare, privacy and notices; see Badges.
• ✅ Support / tickets from the launcher via STYGION ID.
• ⏳ Per-instance account — a different account per instance, quick switch.

• ✅ Library — grid/list, sorting, search, groups (folders) with drag & drop, card size S/M/L.
• ✅ 0.10 New instance with version pickers — Minecraft from a list, the loader and its version only from what exists; typing by hand is an advanced option.
• ✅ Instance page — status, worlds, screenshots, servers, mods, logs, per-instance RAM · Java · JVM.
• ✅ 0.11 Benchmark "Measure on my PC" — a fixed scene on a copy of the instance, 90 s measured, average FPS, 1 % low, a frame-time chart, memory, load times, a sentence on what ran out first; on Minecraft 1.20 to 1.21.x (26.x coming soon); see Performance and the benchmark.
• ✅ 0.11 Sending a result — voluntary, with consent and a preview, under STYGION ID or anonymously; a sent run can be withdrawn and unlinked from your account.
• ✅ 0.11 Estimates in Discover — a "~FPS · GB" chip from the measurements of similar PCs, "not enough data" instead of zero, a prompt to measure before the first Play (can be switched off); passive measurement only with a separate consent.
• ✅ 0.11 Pack presets — from the author inside the pack, a preview of changes, a backup, Revert; mods in a preset with a warning; Potato Mode as a built-in preset; see Presets.
• ✅ Screenshot gallery, custom icon, clone instance.
• ✅ File check and repair (SHA-1 of mods).
• ✅ Delete instance + files.
• ⏳ World backups — backup and restore of a single world.
• ⏳ Advanced groups — colors, cross-group sorting, pin.

• ✅ Unified catalog — CurseForge + Modrinth, relevance, infinite scroll, a pack page with a gallery, a version picker and a changelog.
• ✅ One-click install that asks which version and can be cancelled; transitive dependencies.
• ✅ Switching a pack's version forward and back; worlds are never touched.
• ✅ 0.10 Smart pack updates — three-way merge (what the pack had, what you have, what is new), the question Overwrite with new / Keep mine / Show the difference, your own mods, resource packs and shaders stay.
• ✅ 0.10 A backup before updating and going back in one click — you choose the parts, the last 5 are kept; an update cut short offers Finish / Go back to the backup / Play anyway.
• ✅ Import .mrpack / CF .zip (also by dragging).
• ✅ 0.10 Import from other launchers — Prism/MultiMC, CurseForge, the Modrinth App, ATLauncher, GDLauncher and the official launcher; on first start or from the Library (reads foreign data only).
• ✅ Locked CurseForge files — the file's page in a launcher window, the page starts the download, the launcher verifies size and SHA-1.
• ✅ Mod management in an instance — list, enable/disable, add/remove, update check.
• ✅ Crash with a fix — the launcher reads the log, recognises the cause and offers a fix; sharing a log to mclo.gs only after a second confirmation.
• ⏳ Mod-conflict detection · Lockfile · Server-pack sync.

• ✅ Play button — stygionlauncher://join/<world> from the STYGION site and server links from other websites; one confirmation, a world has its own instance, your edited instances are never changed.
• ✅ Servers — a server page (MOTD, players, ping), quick join (Quick Play).

• ✅ New look in the language of stygion.eu — light, dark or follow the system; button sounds and short animations (both can be switched off).
• ✅ Home — last instance, the server where the session ended, recently played and news.
• ✅ Launch window + live console + bubble, command palette (Ctrl+F), notification center, Feedback in the titlebar.
• ⏳ Keyboard shortcuts · Guided tour.

• ✅ Auto-update on launch (installer, AppImage) — channels stable/beta/alfa, changelog in CS/EN.
• ✅ Other sources — a copy from a store or a package manager is updated by that source; Settings → Updates says which.
• ⏳ Signed manifest — SHA256 + Ed25519.

• ✅ Anonymous telemetry, can be switched off — version/channel/OS/arch + a random install_id, no personal data, IP not stored.
• ✅ A notice on first run, no hidden telemetry, benchmark or hardware scan: performance measuring runs only on your command and sending is voluntary (see Performance and the benchmark).

• ⏳ Benchmark on Minecraft 26.x — we are finishing the scene.
• ⏳ Presets from players and online sharing — planned after presets from a pack's author.
• ⏳ Benchmarker badge — for measuring, coming later.
• ⏳ Friend VPN Tunnel — WireGuard P2P.
• ⏳ Cloud Backup — Panel cloud + third parties, AES-256 on the client.
• ⏳ GTNH special mode.

• ✅ Tauri 2 + SvelteKit + Rust core + SQLite — a thin Tauri binary, isolated modules.
• ✅ Feature isolation — each screen/feature in its own module.
• ✅ No mock data — a real empty state or WIP.

• 💡 Skin library and changing skins from the launcher.
• 💡 Resource pack and shader manager — like the mod manager.
• 💡 Playtime stats — hours per instance, most played, chart.
• 💡 Export / share an instance — reproducibly, see lockfile.
• 💡 Offline / airplane mode — a full launch from cache without network.
• 💡 Pre/post-launch hooks — your own script before/after launch.
• 💡 Running instances management — a "running" badge, Kill, minimize to tray.
• 💡 Datapack manager (per instance/world).
• 💡 Browse filters — category / MC version / loader / sort in the catalog.
• 💡 Compatible mods only — in-instance search shows only what fits the loader and version.
• 💡 Authlib-injector / Ely.by — an alternative auth server and skins for offline accounts.