diff --git a/README.md b/README.md
index d0e06cc564e..57e3fb6c7e1 100644
--- a/README.md
+++ b/README.md
@@ -47,24 +47,26 @@ This is the JavaScript version of [OpenTelemetry](https://opentelemetry.io/), a
 
 ## Compatibility Matrix
 
-| API Version | Core version | Contrib Version         |
-| ----------- |--------------|-------------------------|
-| 1.0.x       | 0.25.x       | ------                  |
-| 1.0.x       | 0.24.x       | 0.24.x                  |
-| 1.0.x       | 0.23.x       | 0.23.x                  |
-| 1.0.x       | 0.22.x       | 0.22.x                  |
-| 0.21.x      | 0.21.x       | 0.21.x                  |
-| 0.20.x      | 0.20.x       | 0.20.x                  |
-| v1.0.0-rc.3 | 0.19.x       | 0.16.x                  |
-| 0.18.x      | 0.18.x       | 0.14.x                  |
-|             | 0.17.x       | ------                  |
-|             | 0.16.x       | ------                  |
-|             | 0.15.x       | 0.13.x                  |
-|             | 0.14.x       | 0.12.x                  |
-|             | 0.13.x       | ------                  |
-|             | 0.12.x       | 0.11.x                  |
-|             | 0.11.x       | 0.10.x                  |
-
+| API Version | Core version | Experimental Packages | Contrib Version         |
+| ----------- |--------------| --------------------- |-------------------------|
+| 1.0.x       | 1.x          | 0.26.x                | ------                  |
+| 1.0.x       | 0.26.x       | -----                 | ------                  |
+| 1.0.x       | 0.25.x       | -----                 | ------                  |
+| 1.0.x       | 0.24.x       | -----                 | 0.24.x                  |
+| 1.0.x       | 0.23.x       | -----                 | 0.23.x                  |
+| 1.0.x       | 0.22.x       | -----                 | 0.22.x                  |
+| 0.21.x      | 0.21.x       | -----                 | 0.21.x                  |
+| 0.20.x      | 0.20.x       | -----                 | 0.20.x                  |
+| v1.0.0-rc.3 | 0.19.x       | -----                 | 0.16.x                  |
+| 0.18.x      | 0.18.x       | -----                 | 0.14.x                  |
+|             | 0.17.x       | -----                 | ------                  |
+|             | 0.16.x       | -----                 | ------                  |
+|             | 0.15.x       | -----                 | 0.13.x                  |
+|             | 0.14.x       | -----                 | 0.12.x                  |
+|             | 0.13.x       | -----                 | ------                  |
+|             | 0.12.x       | -----                 | 0.11.x                  |
+|             | 0.11.x       | -----                 | 0.10.x                  |
+| -----                 
 ## Versioning
 
 The current version for each package can be found in the respective `package.json` file for that module. For additional details see the [versioning and stability][spec-versioning] document in the specification.