This change includes:

* Adds alt text to an image in the overview topic
* Replaces an image used in the proto2 and proto3 topics
* Adds to the list of languages that cannot use public imports (proto3.md)
* Adds a disclaimer to the proto-limits.md topic that the information is crowdsourced and may not be accurate

PiperOrigin-RevId: 656471537
Change-Id: I15275bd0d074c2c13ce5538c6e295c73bb3e2e3b

Author: Protocol Buffer Team

content/images/protocol-buffers-concepts.png

@@ -185,7 +185,7 @@ Many projects use protocol buffers, including the following:
 
 The following diagram shows how you use protocol buffers to work with your data.
 
-![](/images/protocol-buffers-concepts.png) \
+![Compilation workflow showing the creation of a proto file, generated code, and compiled classes](/images/protocol-buffers-concepts.png) \
 **Figure 1. Protocol buffers workflow**
 
 The code generated by protocol buffers provides utility methods to retrieve data

content/overview.md

@@ -8,6 +8,11 @@ type = "docs"
 This topic documents the limits to the number of supported elements (fields,
 enum values, and so on) in proto schemas.
 
+This information is a collection of discovered limitations by many engineers,
+but is not exhaustive and may be incorrect/outdated in some areas. As you
+discover limitations in your work, contribute those to this document to help
+others.
+
 ## Number of Fields {#fields}
 
 Message with only singular proto fields (such as Boolean):
@@ -28,8 +33,8 @@ specs.
 
 ## Number of Values in an Enum {#enum}
 
-The lowest limit is ~1700 values, in Java. Other languages have different
-limits.
+The lowest limit is ~1700 values, in Java (fix available
+go/java-large-enum-support). Other languages have different limits.
 
 ## Total Size of the Message {#total}
 

content/programming-guides/proto-limits.md

@@ -769,7 +769,9 @@ Instead of moving the `.proto` file directly and updating all the call sites in
 a single change, you can put a placeholder `.proto` file in the old location to
 forward all the imports to the new location using the `import public` notion.
 
-**Note that the public import functionality is not available in Java.**
+**Note that the public import functionality is not available in Java, Kotlin,
+TypeScript, JavaScript, GCL, as well as C++ targets that use protobuf static
+reflection.**
 
 `import public` dependencies can be transitively relied upon by any code
 importing the proto containing the `import public` statement. For example: