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# アップデート articles

Claude Code v2.1.250 to v2.1.251 Key Updates - Project Settings env Restrictions and Prompt Cache Visualization

2026.08.29

Claude Code v2.1.248 Major Updates - Addition of --restricted to Limit Tools

2026.08.28

Claude Code v2.1.247 Major Updates - Addition of /claude-api cost-optimize tool and Sonnet 5 auto-compact 1M upgrade

2026.08.27

Claude Code v2.1.246 Major Updates - Bash Permission Rules Warning and API Key Destination Fix

2026.08.26

[Update] I tried out Amazon Redshift's newly supported concurrent scaling for streaming ingestion from Amazon Kinesis Data Streams

2026.08.26

Claude Code v2.1.240 to v2.1.245 Major Updates - Addition of modelPicker and promptCacheTtl

2026.08.25

[Update] AWS Glue 6.0 is now generally available with 30% price reduction and Apache Iceberg v3 support added, so I tried it out

2026.08.23

Claude Code v2.1.238~v2.1.239 Major Updates - Focused Improvements to Remote Control and Addition of keybindingFlavor Setting

2026.08.22

Amazon Bedrock's OpenAI GPT-5.6 Sol has been reduced in price.

2026.08.22

Claude Code v2.1.236~v2.1.237 Major Updates - Addition of ANTHROPIC_DEFAULT_MODEL and Output Style Concise

2026.08.20

Claude Code v2.1.235 Major Updates - Addition of spellcheck settings and security fixes around permissions

2026.08.19

[Update] I tried out AWS CloudShell's new built-in visual file editor support

2026.08.18

Claude Code v2.1.233 Major Update - Todo Tool Disabled by Default

2026.08.15

Claude Code v2.1.230 to v2.1.232 Major Updates - Sub-agent Fork Defaults and Cross-session Mentions

2026.08.14

Claude Code v2.1.228~v2.1.229 Major Updates - Concentrated Crash Fixes and /commit-push-pr Safety Improvements

2026.08.13

[Update] I tried the newly available one-click access to Amazon SageMaker Unified Studio from the AWS Glue console

2026.08.12

Claude Code v2.1.227 Major Updates - Sonnet 5 introductory pricing through 8/31 will continue to be maintained

2026.08.11

Claude Code v2.1.225~v2.1.226 Major Updates - SendMessage Cross-Machine Origin Support and Authentication-Related Fixes

2026.08.08

Claude Code v2.1.224 Major Updates - Self-Hosted Environments and Cross-Session Messaging

2026.08.07

Claude Code v2.1.223 Major Updates - Permission Bypass Fix and /review Integration into /code-review

2026.08.06

Claude Code v2.1.222 Major Updates - Security fix for worktree isolation and removal of ultraplan

2026.08.05

Claude Code v2.1.220 to v2.1.221 Major Updates - Print Mode MCP Connection Fix and Permission Check Bypass Fix

2026.08.04

AWS Interconnect - multicloud now supports OCI, so I tried checking it with the AWS CLI

2026.07.31

I tried out the new Transit Gateway feature, Policy-Based Routing (PBR)

2026.07.31

I tried the new AWS WAF feature "Parsed Text Transformation" using the CLI

2026.07.31

[Update] I tried out AWS Entity Resolution's Advanced rule type that now supports real-time matching

2026.07.29

Claude Opus 5 is now available for selection in Kiro IDE / CLI

2026.07.25

Claude Code v2.1.219 Major Updates - Introduction of Claude Opus 5, same price as Opus 4.8, also offering 2.5x Fast Mode

2026.07.25

[Update] I tried out Amazon SageMaker Unified Studio's new support for Amazon OpenSearch Service as a data source

2026.07.24

Claude Code v2.1.218 Major Updates - Background execution of /code-review and detailed display of MCP connection errors

2026.07.23

Claude Code v2.1.217 Major Updates - Added improvements to sub-agent limits and behavior

2026.07.22

I checked the new Amazon SES pricing plans (Essentials/Pro/Enterprise) using the Price List API and SES API

2026.07.22

Claude Code v2.1.215 to v2.1.216 Major Updates - Addition of sandbox settings and faster long sessions

2026.07.21

[Update] I tried out the new feature where zero-ETL integrations and S3 event integrations are automatically maintained when restoring from snapshots in Amazon Redshift Serverless

2026.07.19

Claude Code v2.1.213 to v2.1.214 Major Updates - Claude Fable 5 is now included in all Max and Team Premium plans, available at 50% of the limit

2026.07.18

Claude Code v2.1.212 Major Updates

2026.07.17