v2.1.1

What's Changed

• fix: copy the image blob instead of freeing it by @cshum in #171
• fix: bound the vector read by its length and check the save buffer by @cshum in #172
• docs: update migration guide for v2 changes by @cshum in #168
• test: close the target the error subtests open by @cshum in #169
• test: scale the shutdown check with -count by @cshum in #173

Full Changelog: v2.1.0...v2.1.1