Update changelog.mdx

Author: Jped

changelog.mdx

@@ -29,52 +29,3 @@ Improved markdown support across the platform for better content formatting.
 - Better preservation of AI reasoning blocks when streaming OpenAI responses
 - Improved AI Assistant stability with better error recovery and status reporting
 - Enhanced date picker with option to clear selected date ranges
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-
-## February 26, 2026
-
-## Release Notes: nightly-2026-02-26
-
-## Overview
-
-**Release Date:** February 26, 2026
-**Previous Release:** Previous day
-**Docker Tags:** `nightly-2026-02-26`
-
-This release focuses on enhanced AI assistant capabilities, improved markdown rendering, and better error handling across the platform.
-
----
-
-## New Features
-
-**Code Execution Support for Google/Vertex AI**
-Added native code execution capabilities for Google and Vertex AI models, enabling Python code generation and execution within conversations.
-- Models can now generate and execute Python code in sandboxed environments
-- Code execution results are preserved and displayed in conversation history
-- Supports both `executable_code` and `code_execution_result` content types
-
-**Enhanced Markdown Rendering**
-Improved markdown support across the platform with better formatting and display options.
-- Rich text formatting now supports tables, code blocks, and nested elements
-- Thinking blocks and reasoning content render with improved readability
-- Provider-specific metadata preserved in message display
-
-**Computer Agent Improvements**
-Enhanced the AI assistant's computer use capabilities with better error handling and status tracking.
-- Added human-readable status descriptions for computer agent operations
-- Improved error message formatting with actionable context
-- Better handling of sandbox agent execution states
-
----
-
-## Improvements
-
-- Increased OpenSearch batch size from 500 to 1000 documents for better indexing performance
-- Added refresh button to sidebar for manual data synchronization
-- Improved datetime picker with removable date selection option
-- Enhanced evaluation display to show evaluations without scores in prompt analytics
-- Fixed Git diff output to show full file paths (300 character width) in deployment summaries
-- Added Sentry logging for Centrifugo recovery failures to improve real-time monitoring
-- Improved prompt template caching with better error recovery between read and primary database sessions
-- Reduced Centrifugo production instances from 4 to 2 for cost optimization
-