--- a/src/eric7/VirtualEnv/VirtualenvMeta.py	Tue May 13 16:46:34 2025 +0200
+++ b/src/eric7/VirtualEnv/VirtualenvMeta.py	Wed May 14 18:18:06 2025 +0200
@@ -24,6 +24,7 @@
     exec_path: str = ""  # string to be prefixed to the PATH environment setting
     description: str = ""  # description of the environment
     eric_server: str = ""  # server name the environment belongs to
+    available: bool = True  # flag indicating an available virtual environment
     meta_version: int = 2  # version number of the meta data structure
 
     def as_dict(self):
@@ -65,4 +66,5 @@
             exec_path=data.get("exec_path", ""),
             description=data.get("description", ""),
             eric_server=data.get("eric_server", ""),
+            available=data.get("available", True),
         )