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Themes can recolor the whole launcher: An addon theme can now change the color of the launcher's text and borders, not only the accent and the background. Animated backgrounds work too.
Addons: Add new themes, buttons, pages and windows to the launcher. Find them in Settings → Addons, as a grid or a list, and look at any addon before you install it. An addon can only do what you allow it to, such as editing your resource packs or using one folder of an instance.
Now playing: The card above the menu shows the game you are playing right now, with a button to stop it.
Jump back in: A new button next to Play starts the game and takes you straight to the world or server you played last (Minecraft 1.20 and newer).
Console in its own window: Click the status in the title bar to see the game console in a separate window. It can also open by itself when the game starts (Settings → Default instance options) and close by itself when the game closes.
Mod settings without opening files: A new Configuration tab on each instance lets you change mod settings with switches, sliders and lists. It reads most mod config files, FTB and YAML ones too, and shows the descriptions written in them. Comments in the file stay, and the old file is kept as a backup.
Edit your skin online: A new button on the Skins page opens the skin editor on usespectra.app with your skin ready to edit.
🐛 Bug Fixes
Quick play on new Minecraft versions: Playing a world or joining a server straight from the launcher now works on the newest Minecraft versions too.
Links open in your browser again: Some links opened your Documents folder instead of the web page.
Sync between computers: Turn it on in Settings → Sync. Your instance list, game settings, servers, resource packs, command history and creative hotbars then move through your Spectra account. If both computers change them, you choose which copy to keep. Worlds, mods and logins stay on each computer.
A new sync guide after updating: The launcher shows what can move between computers and lets you turn it on. You can also do this later in Settings → Sync.
See your launcher on the website: Sign in again and you will see Spectra Launcher and your system in the list of signed-in devices.
Sign out just the launcher: You can remove its login on the website without signing out your browser.
Email reminder: If you have not confirmed your email address, a message stays at the top of the launcher. It has a button to open your account settings. The message goes away after you confirm your address.
Share links now come from the site itself: the launcher used to put the link to a shared instance together on its own, out of a copy of our web address kept in its code. It asks the site for the link instead, so a link you send someone keeps working even if that address ever changes.
The "sync your instances" window never appeared for some people who updated to 0.8.0: the launcher ticked it off as shown before it had actually been shown, so anything that interrupted the first start after updating — the update restarting the app, a crash, closing the window quickly — made it disappear for good. It now only counts as shown once you have actually closed it, and it comes back on the next start until then. If you updated to 0.8.0 and never saw it, you will get it now.
A damaged settings file could be silently replaced with the defaults: if launcher.json could not be read, the launcher wrote a fresh one over it on startup and your memory, Java and window settings were gone. It now leaves the file alone.
✨ Features & Improvements
The launcher writes a log file in normal use: warnings and errors now go to logs/launcher.log in the launcher folder, not only in development builds. If something misbehaves there is finally something to look at.
Your instances can share their settings: sound, field of view, render distance, language, key bindings, your server list, resource packs, command history and creative hotbars can now stay the same everywhere. Pick what you want shared in Settings → Sync, choose one instance to copy from, and untick any instance that should keep its own. Changes you make in one game are picked up when you close it and carried over to the others the next time they start.
Key bindings and creative hotbars only travel where they fit: Minecraft changed how it stores both in 1.13, so they are shared between 1.13-and-newer instances and between older ones, never mixed across. Everything else is shared regardless of version, and resource packs are only added to instances whose version can actually read them.
Screenshots load instantly: the screenshot pages were loading every picture at full size to show them as small tiles. They now use cached thumbnails.
The launcher stays responsive: opening a resource pack list, browsing instance files, exporting an instance or scanning for Java used to freeze the window until they finished. They now run in the background.
Live game logs no longer slow the launcher down on heavy modpacks: a modded start can print tens of thousands of lines, and every single one was being handed to the interface one at a time.
Errors say what actually went wrong: messages now come through in your language and tell apart no connection, no disk space, no permission and a missing file, instead of showing one raw English line.
🔒 Security
Uploading a log no longer shares your Windows or Mac username: logs sent to mclo.gs are public, and every file path in them starts with your home folder. Paths are now shortened and anything that looks like a session token is removed before the upload. Logs you read inside the launcher are untouched.
Faster everywhere: signing in, skins, sharing and mod browsing reuse one connection instead of opening a new one each time.
Version lists are cached: the create-instance screen no longer re-downloads the full Minecraft version list on every click.
Duplicating and importing an instance is near-instant on macOS and Linux: files are cloned by the filesystem, so they cost no extra disk space.
🐛 Bug Fixes
Stop and Kill closed the whole launcher: they now target only the game.
"Remove the account and add it again" when nothing was wrong: the Microsoft session was renewed far more often than needed, and two renewals at once could clash. It is now renewed only when it is close to expiring.
macOS: the mod browser window had no close, minimise or zoom buttons.
Instances download far faster: the launcher opened a new connection for every one of the ~4,300 files an install needs. It now reuses one, so the wait comes down to your internet speed.
Instances share their game files: the ~950 MB of artwork, sounds and libraries was downloaded again in full for every instance. It is now kept once and shared, so every instance after the first is ready in seconds and takes far less disk space. Your existing instances are moved over the first time you open the launcher, which takes under a second.
macOS: the launcher looks like a Mac app again: its corners were square and it sat on the desktop without a shadow, because the custom title bar meant giving up the system window frame. The frame is back — rounded corners, the proper shadow, and the red, yellow and green buttons in the top-left corner are now the real macOS ones rather than look-alikes. Nothing changes on Windows or Linux.
