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Canonical AI event

Rust v0.151.0 adds configurable grace period for optional MCP servers.

The new release includes a configurable grace period for discovering optional MCP server tools. It also reports invalid project marketplaces without concealing valid plugins.

29 Aug 20261 verified claims1 sources1 observations
What happened

The official source reports this update: 0.151.0. New Features Added a configurable grace period for discovering tools from optional MCP servers. ( #41199 ) Extensions can now inspect or replace MCP tool results before they reach the model. ( #41202 ) Plugin catalogs now combine per-repository configuration and report invalid project marketplaces without hiding valid plugins. ( #41208 ) Bug Fixes Preserved restored permission profiles across TUI turns and prevented /cd from weakening sandbox restrictions. ( #41192 ) Kept tool availability and reasoning effort correct when switching models or falling back to another model.

Why it matters

This official update documents a development concerning 0.151.0. Its practical significance depends on the scope and evidence stated by the source.

What to watch next

Read the official source update and verify its stated scope, evidence and timing before acting on it.

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