chore: Clean up {accept,implement}_interface (#14476)

CHANGELOG.md

@@ -64,7 +64,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 
-* (module)[#14415](https://github.com/cosmos/cosmos-sdk/pull/14415) Loosen assertions in SetOrderBeginBlockers() and SetOrderEndBlockers()
+* (protobuf) [#14476](https://github.com/cosmos/cosmos-sdk/pull/14476) Clean up protobuf annotations `{accepts,implements}_interface`.
+* (module) [#14415](https://github.com/cosmos/cosmos-sdk/pull/14415) Loosen assertions in SetOrderBeginBlockers() and SetOrderEndBlockers()
 * (context)[#14384](https://github.com/cosmos/cosmos-sdk/pull/14384) refactor(context): Pass EventManager to the context as an interface.
 * (types) [#14354](https://github.com/cosmos/cosmos-sdk/pull/14354) - improve performance on Context.KVStore and Context.TransientStore by 40%
 * (crypto/keyring) [#14151](https://github.com/cosmos/cosmos-sdk/pull/14151) Move keys presentation from `crypto/keyring` to `client/keys`

UPGRADING.md

@@ -98,6 +98,31 @@ This allows you to remove the replace directive `replace github.com/gogo/protobu
 
 Please use the `ghcr.io/cosmos/proto-builder` image (version >= `0.11.0`) for generating protobuf files.
 
+#### `{accepts,implements}_interface` proto annotations
+
+The SDK is normalizing the strings inside the Protobuf `accepts_interface` and `implements_interface` annotations. We require them to be fully-scoped names. They will soon be used by code generators like Pulsar and Telescope to match which messages can or cannot be packed inside `Any`s.
+
+Here are the following replacements that you need to perform on your proto files:
+
+```diff
+- "Content"
++ "cosmos.gov.v1beta1.Content"
+- "Authorization"
++ "cosmos.authz.v1beta1.Authorization"
+- "sdk.Msg"
++ "cosmos.base.v1beta1.Msg"
+- "AccountI"
++ "cosmos.auth.v1beta1.AccountI"
+- "ModuleAccountI"
++ "cosmos.auth.v1beta1.ModuleAccountI"
+- "FeeAllowanceI"
++ "cosmos.feegrant.v1beta1.FeeAllowanceI"
+```
+
+Please also check that in your own app's proto files that there are no single-word names for those two proto annotations. If so, then replace them with fully-qualified names, even though those names don't actually resolve to an actual protobuf entity.
+
+For more information, see the [encoding guide](./docs/docs/core/05-encoding.md).
+
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