diff --git a/UPGRADE-1.5.md b/UPGRADE-1.5.md
index eb1e643d8c4..7eefa0df75e 100644
--- a/UPGRADE-1.5.md
+++ b/UPGRADE-1.5.md
@@ -1,3 +1,33 @@
+# Known errors outside of our control
+
+* `Property "code" does not exist in class "Sylius\Component\Currency\Model\CurrencyInterface"` while clearing the cache:
+
+  * Introduced by `symfony/doctrine-bridge v4.3.0`
+  * Will be fixed in `symfony/doctrine-bridge v4.3.1` ([see the pull request with fix](https://github.com/symfony/symfony/pull/31749))
+  * Could be avoided by adding a conflict with `symfony/doctrine-bridge v4.3.0` to your `composer.json`:
+  
+    ```json
+    {
+        "conflict": {
+            "symfony/doctrine-bridge": "4.3.0"
+        }
+    }
+    ```
+  
+* `Argument 1 passed to Sylius\Behat\Context\Api\Admin\ManagingTaxonsContext::__construct() must be an instance of Symfony\Component\HttpKernel\Client, instance of Symfony\Bundle\FrameworkBundle\KernelBrowser given` while running Behat scenarios:
+
+  * Introduced by `symfony/framework-bundle v4.3.0`
+  * Will be fixed in `symfony/framework-bundle v4.3.1` ([see the pull request with fix](https://github.com/symfony/symfony/pull/31881))
+  * Could be avoided by adding a conflict with `symfony/framework-bundle v4.3.0` to your `composer.json`:
+  
+    ```json
+    {
+        "conflict": {
+            "symfony/framework-bundle": "4.3.0"
+        }
+    }
+    ```
+
 # UPGRADE FROM `v1.4.X` TO `v1.5.0`
 
 Require upgraded Sylius version using Composer: