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Slay the Spire 2 patch notes: compare the current Main v0.107.1 build with Beta v0.111.0, including controls, balance changes, and what players should use today.
Quick answer
The current lines are Main v0.107.1 and optional Beta v0.111.0. Most players should use Main; Beta is the public test branch. Major Update #2 added Aeonglass, the Bestiary, Steam Workshop support, and an RNG rework. Beta v0.111.0 adds keyboard-only controls, reworks Mirage, changes Regalite's first-creation Block from 6 to 4, and includes further balance and bug fixes. Switch branches in Steam Properties → Game Versions & Betas.
Which version should you use?
Use Main unless you deliberately selected Steam’s public beta. Beta is for testing changes before they reach the default build.
- Main branch
- v0.107.1 — Major Update #2
- Public beta
- v0.111.0
Major Update #2 rolled several beta patches into the default build. Aeonglass replaced The Doormaker as an Act 3 boss, the Bestiary became available in the Compendium, and Steam Workshop support was added.
The optional beta keeps the earlier keyboard-only control mode and adds new card reworks, including Mirage's 1-cost-at-both-levels Exhaust behavior and Regalite's 4-Block first-creation trigger. It also adds Indonesian localization, low-HP idle animations, interface, multiplayer, enemy, event, performance, and modding fixes.
| Main branch | v0.107.1 — Major Update #2 |
|---|---|
| Public beta | v0.111.0 |
| Beta controls | Keyboard-only control mode |
| Main update released | June 18, 2026 |
| Latest beta released | August 14, 2026 |
Latest patch at a glance
Use Main v0.107.1 if you did not deliberately opt into Steam's public beta. Use Beta v0.111.0 only when you want the test-branch changes; the two branches can show different card text, controls, and balance.
This page keeps the player-facing differences in one place. For exact numbers, the linked Mega Crit notes remain the source of truth, especially while Early Access updates are still moving quickly.
What changed on the Main branch
Major Update #2 rolled several beta patches into the default build. Aeonglass replaced The Doormaker as an Act 3 boss, the Bestiary became available in the Compendium, and Steam Workshop support was added.
Mega Crit also replaced the game's pseudorandom number generator after a correlated-RNG problem was documented. The update includes a larger set of balance, enemy, art, performance, multiplayer, and bug-fix changes, so the official notes remain the source of truth for individual numbers.
What is in beta v0.111.0
The optional beta keeps the earlier keyboard-only control mode and adds new card reworks, including Mirage's 1-cost-at-both-levels Exhaust behavior and Regalite's 4-Block first-creation trigger. It also adds Indonesian localization, low-HP idle animations, interface, multiplayer, enemy, event, performance, and modding fixes.
Beta values are experimental. A card or relic shown in beta notes may still differ from the default main branch, and later beta changes can revert an earlier rework before it reaches everyone.
How to check which version you are using
- If you never opted into a Steam beta, compare your in-game version with v0.107.1.
- If you selected the public beta under Steam Properties, compare against v0.111.0.
- When a guide disagrees with the game, check its branch and date before assuming either set of numbers is current.
How to try the public beta
Right-click Slay the Spire 2 in your Steam Library, open Properties, choose Game Versions & Betas, and select public-beta. Select None in the same menu to return to Main.
See the step-by-step beta branch guide for the full switch-back checklist and the changes that should not be mixed between branches.
Related guides
How to switch Slay the Spire 2 to Steam's public-beta branch, return to Main, and avoid mixing beta-only card and control changes with the default game.
Mirage's Beta v0.111.0 Poison-to-Block effect, upgrade, Exhaust timing, and the version history behind conflicting Slay the Spire 2 tooltips.
Regalite's Beta v0.111.0 once-per-turn card-creation trigger, the old effects it replaced, and when the Regent relic provides reliable Block.
The current Beta v0.111.0 effect, cost, upgrade, and pick logic for Well-Laid Plans in Slay the Spire 2—not the first game's card or an older beta tooltip.
Pillar of Creation's current Beta v0.111.0 Block values, repeated card-creation trigger, and its practical difference from the Regalite relic.
The current Beta v0.111.0 Sacrifice formula, Osty Max HP interaction, upgrade, and timing risks for the Necrobinder in Slay the Spire 2.
Abundance in Slay the Spire 2: the Beta-only card's cost, Dowsing route, and when paying 1 Energy is worth the map and combat risk.
Distinguished Cape's Apparition reward, where it appears, and the important downside change between the main and beta branches.
Slay the Spire 2 1.0 release date: no exact date is announced. Decide whether to buy the evolving Early Access build or wait for a finished release window.