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Changelog
June 30, 2026Practice

Learn battles and research topic routes

Learn lessons can now play as battles, with lesson enemies, boss progress, campaign maps, and completion ticks.

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June 30, 2026: Learn battles and research topic routes.

What changed

  • Learn lessons can now play as battles, with lesson enemies, boss progress, campaign maps, and completion ticks.
  • Research moved into the blog topic model so technical notes share the same archive and topic navigation as product writing.
  • Checker worker-pool hardening made special-judge runs safer against timeouts and runaway checkers.

Related

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