diff --git a/.changeset/ai-assistants-and-fixes.md b/.changeset/ai-assistants-and-fixes.md
new file mode 100644
index 00000000..4d007381
--- /dev/null
+++ b/.changeset/ai-assistants-and-fixes.md
@@ -0,0 +1,24 @@
+---
+"@fission-ai/openspec": minor
+---
+
+Add support for multiple AI assistants and improve validation
+
+This release adds support for several new AI coding assistants:
+- CodeBuddy Code - AI-powered coding assistant
+- CodeRabbit - AI code review assistant
+- Cline - Claude-powered CLI assistant
+- Crush AI - AI assistant platform
+- Auggie (Augment CLI) - Code augmentation tool
+
+New features:
+- Archive slash command now supports arguments for more flexible workflows
+
+Bug fixes:
+- Delta spec validation now handles case-insensitive headers and properly detects empty sections
+- Archive validation now correctly honors --no-validate flag and ignores metadata
+
+Documentation improvements:
+- Added VS Code dev container configuration for easier development setup
+- Updated AGENTS.md with explicit change-id notation
+- Enhanced slash commands documentation with restart notes