fix markup in console live

Author: willmcgugan

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed duplicate output in Jupyter https://github.com/Textualize/rich/pulls/2804
 - Filter ANSI character-encoding-change codes in `Text.from_ansi` parser
 - Fixes traceback failing when a frame filename is unreadable https://github.com/Textualize/rich/issues/2821
+- Fix for live update rendering console markup https://github.com/Textualize/rich/issues/2726
 
 ### Added
 

rich/live.py

@@ -210,6 +210,8 @@ def update(self, renderable: RenderableType, *, refresh: bool = False) -> None:
             renderable (RenderableType): New renderable to use.
             refresh (bool, optional): Refresh the display. Defaults to False.
         """
+        if isinstance(renderable, str):
+            renderable = self.console.render_str(renderable)
         with self._lock:
             self._renderable = renderable
             if refresh: