what for @atproto-labs/... , which found in atproto repository

[itaru2622]

I found new tag series of '@atproto-labs/...' in atproto repository and packages in npm store like below.
What are these tags and packages? What differences they would be got from the traditional @atproto/...?

commit 8b4f5852939261e62fff6c55e9318cfea0c5d02b
 (tag: @atproto/pds@0.4.35, tag: @atproto/oauth-types@0.1.0, tag: @atproto/oauth-provider@0.1.0, tag: @atproto/oauth-client@0.1.0, tag: @atproto/oauth-client-browser@0.1.0, tag: @atproto/jwk@0.1.0, tag: @atproto/jwk-webcrypto@0.1.0, tag: @atproto/jwk-jose@0.1.0, tag: @atproto/did@0.1.0, tag: @atproto/dev-env@0.3.26, tag: @atproto-labs/simple-store@0.1.0, 
tag: @atproto-labs/simple-store-memory@0.1.0, tag: @atproto-labs/rollup-plugin-bundle-manifest@0.1.0, tag: @atproto-labs/pipe@0.1.0, tag: @atproto-labs/identity-resolver@0.1.0, tag: @atproto-labs/handle-resolver@0.1.0, tag: @atproto-labs/handle-resolver-node@0.1.0, tag: @atproto-labs/fetch@0.1.0, tag: @atproto-labs/fetch-node@0.1.0, tag: @atproto-labs/did-resolver@0.1.0)
Date:   Tue Jun 18 15:59:23 2024 -0400

belows are separately registered in npm as package individually.

@atproto-labs/did-resolver
@atproto-labs/fetch-node
@atproto-labs/fetch
@atproto-labs/handle-resolver-node
@atproto-labs/handle-resolver
@atproto-labs/identity-resolver
@atproto-labs/pipe
@atproto-labs/rollup-plugin-bundle-manifest
@atproto-labs/simple-store-memory
@atproto-labs/simple-store

[devinivy]

These are packages that we want to share and depend on internally to @atproto/*, but don't want to encourage others to depend on, as we may iterate on them quickly and make coordinated breaking changes. Packages in @atproto/*, on the other hand, are going to be more friendly to depend on and more sensitive to changes that affect the ecosystem.

[itaru2622]

@devinivy thank you, understood