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Spectra accounts: sign in from the button next to the activity indicator and the launcher gets a friends list. Create the account with an e-mail and password or with Discord, Google, GitHub or Microsoft, protect it with two-factor codes, and pick a username and avatar — all on the website; the launcher just opens your browser and takes it from there.
Friends, by name instead of by code: add someone by their username or e-mail, accept the requests that come back, and everyone you have added shows up in the panel on the right. Collapsed, that panel is gone completely — it takes no room from the page underneath.
Send a modpack straight to a friend: instances now have a Share tab in place of the entry in the ⋯ menu. Share the instance once, then invite friends from the list — the pack lands in their launcher as a notification with an Install button, no code to read out loud. Codes still work for everyone else.
Push an update to everyone who has it: changed something after sharing? Push update re-uploads the instance and tells every friend who installed it. Their Update button applies the changes to the copy they already have — mods the author added arrive, mods the author removed go away, and anything they installed themselves is left alone.
See who is on what: the Share tab lists everyone you sent the pack to and whether they are up to date, out of date or have not installed it yet.
Codes last a week, and you decide when they end: in the last 48 hours an Extend by a week button appears, and Expire the code kills it on the spot. Whatever friends already installed stays on their disk either way — they simply stop getting updates.
Pick exactly which extra files travel: mods and packs that match no Modrinth or CurseForge project can only be sent as raw files. Instead of one all-or-nothing switch, you now get a tree of them with sizes, ticked one by one, so a 200 MB local jar only goes if you want it to.
You can watch it work: sharing shows what it is doing — checking the instance, packing, uploading — with a progress bar for the current step and a second one for the whole job.
🐛 Bug Fixes
Shares are small again: a share was quietly packing every cache your mods leave behind — Distant Horizons terrain, map caches, replay recordings. One real instance came to 1.4 GB. A share now carries only mods, resource packs, shaders, datapacks, configs and the instance icon, which took that same instance down to about 30 MB. It also means a share no longer carries a record of which servers you play on.
Shared instances arrive with their icon: a pack you receive now looks like the one that was shared instead of a blank tile.
Big packs actually upload: packs go straight to storage now rather than through the website, so the old 25 MB ceiling is gone — up to 1 GB, streamed from disk rather than held in memory.