Separate bottle issues from Mac session issues.

Four different causes can look the same

• macOS pressure: heat, Low Power Mode, memory pressure or background processes.
• Shader compilation: a first-use hitch after an update, new map or new effect.
• Translation: Rosetta, Wine, D3DMetal or DXVK work around code and graphics APIs.
• Game engine: asset streaming, frame-time spikes or an unsupported anti-cheat path.

CloudBoost can measure the first category and provide context around the others. It cannot directly inspect shader compilation or renderer frame time.

Good checks before changing bottle settings

• Confirm Low Power Mode is off while plugged in.
• Check thermal pressure after the game has been running for a while.
• Close launchers, browser tabs, sync tools and capture tools while testing.
• Use Session Proof when asking for support so people can see the local context.

Important limit

CloudBoost does not edit CrossOver bottles, install patches, bypass anti-cheat or claim compatibility fixes. It helps diagnose the Mac session around the game.

If Session Lab reports clean Mac-side signals, change one compatibility option at a time and reproduce the same scene before comparing results.