Product updates · changelog

What's new on tmpfs.tech

We ship improvements every few weeks. Here's what's landed recently — new ways to show off your skills, a bigger leaderboard, and a smoother ride end-to-end.

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Recent highlights

The bigger updates from the last few weeks.

★ New · Jun 16

Two new tracks: DevOps / IaC and Performance

The catalog keeps growing — two brand-new skill tracks, built straight from player requests.

  • DevOps / IaC — author Packer image builds and Ansible playbooks, graded structurally
  • Performance — hunt down CPU, memory and I/O problems on a live box with top, vmstat, iostat and pidstat
The tmpfs.tech challenge library showing skill tracks including the new DevOps and Performance tracks
★ New · Jun 14

Show off your skills with shareable credentials

Turn your solves into proof. Earn badges and a verifiable Certificate of Competency you can share anywhere.

  • Embeddable README badges for your GitHub profile
  • A printable PDF certificate
  • Verifiable Open Badges + a public profile at tmpfs.tech/u/…
A solved tmpfs.tech challenge showing the completion screen and a Share my badge button
Improved · Jun 13

A bigger, sharper leaderboard

The leaderboard is now a proper destination — multiple boards, each with your own rank highlighted so you can see exactly where you stand.

  • All-time, Daily, Speed, Mastery and Rising boards
  • "Your rank" marker on every board
  • Glicko skill rating that updates as you solve
tmpfs.tech leaderboards: all-time leaders by solves and top players by skill rating
New · Jun 9

Daily challenge, replays & native SSH

More ways to play and to keep your work. A fresh puzzle every day, shareable replays, and the option to connect from your own terminal.

  • A new Daily Challenge with a Wordle-style share line
  • Watch & share a replay of your solved session
  • Connect over SSH: ssh <session-id>@tmpfs.tech
  • tmux-backed shells that survive reconnects
A live Linux terminal on tmpfs.tech showing a real challenge brief and a player@linux-lab shell prompt
Grew · May 28

736 challenges across 18 tracks

The catalog is bigger and better organized — including offensive and defensive security wargames — with a feed that recommends what to play next at your level.

  • Every track filled out to 45 challenges
  • Offensive Lab & Defense & IR security tracks
  • A "Play next puzzle" recommendation feed
The tmpfs.tech challenge library with learning paths and 16 tracks each holding 45 challenges

Full changelog

Everything we've shipped recently, newest first.

June 16, 2026New tracks
  • DevOps / IaC track10 new challenges: author Packer templates and Ansible playbooks/inventories, graded structurally — nothing to install, runs right in your browser.
  • Performance track6 new OS performance-troubleshooting challenges on a live VM — find and stop a runaway CPU hog, a memory hog and a disk flooder; renice a greedy job; track down zombie processes — using top, vmstat, iostat and pidstat.
June 16, 2026Reliability
  • Smoother sign-inFixed a "bad oauth state" error that could block Google sign-in, and the GitHub sign-in popup now closes itself cleanly instead of reloading the app.
  • Tidier grading messagesA long "not solved" result is now a compact, scrollable panel you can dismiss — no more wall of text covering the screen.
June 14, 2026Credentials
  • Shareable badges & certificateEmbeddable README badges, a printable Certificate of Competency (PDF), and verifiable Open Badges you can add to a profile.
  • Share my badgeA one-tap share button on the challenge-complete screen.
  • New About pageA proper tour of how tmpfs.tech works, with screenshots and a demo.
June 13, 2026Leaderboard
  • A bigger leaderboardRedesigned with tabs — All-time, Daily, Speed, Mastery and Rising — plus a "your rank" marker so you can see where you stand.
June 9, 2026Play
  • Daily ChallengeA fresh puzzle every day, with a Wordle-style share line when you solve it.
  • Watch & share replaysReplay your solved session and share a link to it.
  • Connect over SSHUse your own terminal: ssh <session-id>@tmpfs.tech.
  • Resilient terminalsSessions are now tmux-backed and reconnect automatically, so a deploy or network blip no longer kills your shell.
May 28, 2026Catalog
  • 736 challenges across 18 tracksEvery track filled out to 45 challenges, including the Offensive Lab and Defense & IR security wargames.
  • Public profilesYour own shareable page at tmpfs.tech/u/… with your stats and badges.
  • Recommended feedA puzzle feed that adapts to your skill level — just hit "Play next puzzle".
May 27, 2026Accounts
  • Sign in with GitHubSign in with GitHub as well as Google — or jump straight in as a guest.
  • Skill ratingA Glicko skill rating that updates as you solve, with its own ratings ladder.

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