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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v0.2.103 ·

New Features

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JSON All of v0.2.103
EntryKind: in v0.2.103,
ChangesSection of the release

Parallel Agent Execution

  • Multiple concurrent agents: Introduced a new parallel agent system that allows launching multiple agents simultaneously to work on the same task
  • Configurable agent count: Users can control the number of parallel agents through settings
  • Automatic synthesis: When using parallel agents, responses are automatically combined into a unified solution
  • Performance improvement: Significantly faster execution for complex, multi-faceted tasks

Enhanced Edit Capabilities

  • Jupyter Notebook support: Added NotebookEdit tool for editing Jupyter notebook cells
  • Use edit_mode=insert to add new cells
  • Use edit_mode=delete to remove cells
  • Use edit_mode=replace to update existing cells (default)
  • Example: notebook_path="/path/to/notebook.ipynb", cell_number=0, new_source="print('Hello')", edit_mode="insert"

Improved Thinking Mode

  • Dynamic thinking tokens: Thinking capacity now adjusts based on user prompts
  • "think" → 4,000 tokens
  • "think hard/deeply/more" → 10,000 tokens
  • "think harder/longer/really hard" → 31,999 tokens
  • Environment variable control: Set MAX_THINKING_TOKENS to override automatic detection

Development Partner Program Integration

  • Data sharing notifications: Organizations enrolled in the Development Partner Program receive clear notifications about data sharing
  • Discounted pricing: Automatic cost adjustments for qualifying organizations
  • Visual indicators: Special UI elements show enrollment status

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