RubyGems

Commands

Command	CVS Supported	Expected Behavior When Latest Is Blocked
`gem install <name>`	Yes	Installs the latest compliant version
`gem install <name> -v '<version>'`	No	Returns "Could not find a valid gem" if the latest is requested; returns 403 for a blocked older version
`gem update <name>`	Partial	See Gem Client Behavior
`bundle install`	Yes	Installs the latest compliant version
`bundle update`	Yes	Updates to the next compliant version

gem update uses:

This mismatch can surface blocked versions during resolution.

Example:

Running gem update returns: Unable to resolve dependency: user requested 'pry (= 0.16.0)

Although the client detects the latest version, installation is blocked.
The error message is misleading, but the enforcement is correct.

Command	CVS Supported	Expected Behavior When Latest Is Blocked
`dotnet add package <name>`	Yes	Installs the latest compliant version
`dotnet add package <name> --version <ver>`	Yes	NU1102 if latest is blocked; 403 if older version is blocked
`dotnet restore`	Yes	Installs the next compliant version
`dotnet restore` (with lock file)	No	Downloads pinned versions; blocked versions return 403
`dotnet package search`	No	Shows latest version; install fails with 403 if blocked

dotnet package search may display versions that cannot be installed because search results are not filtered by CVS.

Command	CVS Supported	Expected Behavior When Latest Is Immature
`conda install <name>`	Yes	Installs the next compliant version
`conda install <name>=<ver>`	No	Fails with 403 if that version is immature
`conda search <name>`	Yes	Shows only compliant versions
`conda install` (environment file)	Yes	Resolves to compliant versions

Only Immaturity policies are supported for Conda CVS.

Command	CVS Supported	Expected Behavior When Latest Is Blocked
`go get <module>`	Yes	Resolves to the latest compliant version
`go get <module>@<version>`	Yes	"package not found" if latest requested version is blocked; 403 if all versions are blocked
`go get -u <module>`	Yes	Updates to next compliant version if applicable; no upgrade if current is compliant and latest is blocked
`go mod download`	No	Downloads pinned version; 403 if pinned version is blocked

Command	CVS Supported	Expected Behavior When Latest Is Blocked
`pip install <name>`	Yes	Installs the next compliant version silently
`pip install <name>==<version>`	Yes	Fails if that version is blocked; 403 if all versions are blocked
`pip install <name>>=<version>`	Yes	Resolves to next compliant version in range
`pip install <name>~=<version>`	Yes	Resolves to next compliant version in compatible range
`pip install <name> --no-deps`	Partial	Only the main package is resolved by CVS; transitive dependencies may return 403
`pip index versions <package>`	Yes	Excludes blocked versions
`pip install --upgrade <name>`	Yes	Upgrades to next compliant version; no change if current is compliant

Command	CVS Supported	Expected Behavior When Latest Is Blocked
`uv add <name>`	Yes	Adds next compliant version to lock file
`uv add <name>>=<version>`	Yes	Resolves to next compliant version in range
`uv add <name>~=<version>`	Yes	Resolves to next compliant version in compatible range
`uv sync`	Partial	Uses pinned versions; resolves via CVS only if not locked; blocked versions return 403
`uv sync --upgrade`	Yes	Re-resolves and updates to compliant versions
`uv pip install <name>`	Yes	Behaves like pip; resolves to compliant version
`uv run --with <pkg>`	Yes	Installs next compliant version
`uv lock --upgrade`	Yes	Resolves to next compliant version within constraints