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Graph/implicit-shared-state-leakage

AntiPattern

State Leakage Between Systems

implicit-shared-state-leakage

Sticky or implicitly shared state—such as Blender selection, ownership/cancellation context, or object-effect lifetimes—bleeds across system boundaries, so operations target unintended objects or effects stop prematurely after teardown.

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Public graph metadata

Updated8/7/2026

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30 linked nodes

MATCHESSolution

Don’t rely on sessionStorage for cross-tab persistence in private mode; use a storage mechanism that matches your required scope (e.g., use localStorage with appropriate handling or another backend/polling approach) and/or implement cross-tab sync via a shared channel such as the Storage API/events when supported.

MATCHESSolution

Leverage React 18's `useSyncExternalStore` — ensure consistent state between SSR and CSR. Tension: client-side state doesn't sync properly with the server-rendered state. Outcome: to ensure consistent state between SSR and CSR.

MATCHESSolution

Treat the selected value as a shared reference (avoid unnecessary cloning/deriving new arrays/objects in selectors). If memory pressure occurs, ensure large datasets are not being copied or accidentally retained (e.g., avoid creating new Float32Array/object instances per render; consider weak caching patterns such as WeakMap only for derived mappings).

MATCHESSolution

They both have their own pros and cons — base it on your project requirements. Tension: If you have quite a complex application tree of deeply-nested components Recoil's uses atoms and selectors pattern. Outcome: If you prefer a more direct approach with Zustand your state is stored in a single store and is accessed and modified directly by your components.

MATCHESSolution

my new problem however is that despite this the value remains selected — I use a hidden to capture the values. Tension: the inputs do actually respect the state changes. Outcome: the inputs do actually respect the state changes.

MATCHESSolution

Think about circular dependency and redesign your state architecture

MATCHESSolution

Lift mutation state to a shared owner (same parent) or to shared global/local state (React Context/Redux or local state in a shared parent), and update that state inside `onSuccess`/`onError`/`onSettled` (or `isPending`) callbacks; alternatively, read mutation status via the same `useMutation` instance passed/shared with the other component.

MATCHESSolution

As long as you lock more than a single thing at a time, you risk deadlocks. — lock more than a single thing at a time. Tension: You hold B waiting for A, they hold A waiting for B. Outcome: one of you has to abort or you're stuck.

MATCHESSolution

provided it's called within the same process — workers might be pre-forked. Tension: the cache doesn't work across processes. Outcome: each process got its own cache.

MATCHESSolution

Beam dependencies in Python.

MATCHESSolution

Create a lifespan-managed shared state (e.g., instantiate a state manager/model in FastAPI lifespan) and store the loaded model in that state so request handlers can access it via Request/app state or a dependency that reads from lifespan.

MATCHESSolution

Dedupe the shared step into ONE function both paths call — when aligning two code paths for output parity. Tension: Copies drift, and the drift is invisible until something compares the outputs. Outcome: both paths call, so outputs match by construction.

MATCHESSolution

bound it with a "progress ceiling" — a process emitting bytes but making NO semantic progress. Tension: a process emitting bytes but making NO semantic progress (livelock) would be shielded forever. Outcome: re-arms recovery after a long no-progress window even while bytes flow.

MATCHESSolution

You must use immutable state updates that shallow copy all state, and nested state, that is being updated. — when the event is "user-changed-channel". Tension: `const obj = { ...state.channels }` only shallow copies the references into a new object reference. Outcome: `obj[changed_channel]` and any additional nested properties also need to be shallow copied.

MATCHESSolution

I would simply hold the secrets in memory — Based on the logic here. Tension: reading secrets every time disrupts availability. Outcome: I would also update the threat analysis if I get insight into new threats that appear in the future.

MATCHESSolution

depending on your latency budget. Outcome: Same idea, but the state lives outside the process boundary.

MATCHESSolution

Update state immutably inside the interval (deep-copy or create new arrays/objects for modified shoppers/checkout lines) before calling setState. Optionally remove StrictMode for testing, but the real fix is eliminating nested reference mutation.

MATCHESSolution

Your code doesn't use any shared state (or even objects) between the different threads — running this code in a multithreaded environment. Tension: The only thing that may looks marignally relevant is calling the static `OPCPackage.open` method. Outcome: there shouldn't be any problem running this code in a multithreaded environment.

MATCHESSolution

one of my integration tests affects the other. Outcome: Make sure you properly defined and initialized `mystuff`.

MATCHESSolution

Use synchronization primitives, locks, or other publication mechanisms that establish a happens-before between the write and subsequent read

MATCHESSolution

Ensure each actor uses its own independent result/recording variables (do not share the same result instance between actors), e.g., allocate separate result storage per actor or otherwise remove shared mutable state.

MATCHESSolution

CollectSyncState() iterates all components, finds [Sync] properties without [Property], serializes them to JSON — in SaveSystem.cs. Tension: Use JSON serialization first, with a ByteStream/BytePack fallback for types that don't serialize cleanly to JSON. Outcome: RestoreSyncState() is called before RestoreNetworkOwnership() in the Load path.

MATCHESSolution

Store ownership as a `[Sync(SyncFlags.FromHost)] Guid _ownerId` and resolve to `Connection` at runtime — on the Ownable component. Tension: cancel grabs/selections when the caller doesn't have access.

MATCHESSolution

Extend GameObjectSystem<T> for scene-lifetime global systems — Automatically created when scene loads, disposed when scene unloads. Tension: No GameObject needed — pure C# system. Outcome: Access from anywhere: var system = MyGameSystem.Current; // null if scene not loaded.

MATCHESSolution

Serialize objects in selection space. Tension: world space, which breaks when pasting at a different position or rotation.

MATCHESSolution

Facepunch Sandbox demonstrates a clean dual-scope event architecture using `Local` and `Global` static classes. Tension: Difficulty implementing cancellable events.

MATCHESSolution

Use for persistent state that all clients need. — [Sync] Attribute - State Replication. Outcome: Use for actions, events, and host-authoritative operations.

MATCHESSolution

Record original scene objects on startup — CleanupSystem Component. Tension: Efficient batch destruction.

MATCHESSolution

Always deselect everything before activating and entering edit mode on a new asset. Tension: The same hazard applies to `object.shade_flat()`, `object.transform_apply`, and any operator that internally walks `context.selected_objects`. Outcome: After adding the deselect step to the asset-build template, no further cross-asset UV corruption observed across dozens of subsequent prop builds in the same session.

MATCHESSolution

Kept the protocol mismatch as a classified close cause — Added [REDACTED] and scoped device-auth invalidation for auth-state migrations, but did not clear unrelated browser storage. Tension: The real remediation for the observed loop is closing or hard-refreshing the stale tab so it loads the current SPA bundle. Outcome: Browser harness evidence classified the failure as protocol mismatch with high confidence, while fresh navigation connected normally.

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