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Developer updates for August 2026
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2
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142
|
September 4, 2026
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Changes to Marketplace submission flow: how active installs are determined
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0
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66
|
August 18, 2026
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May 2026 Rollup
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1
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472
|
August 14, 2026
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Custom Channels API Is Now Live
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8
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3221
|
August 7, 2026
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Updated recommendations for storing OAuth access tokens
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3
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2051
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August 7, 2026
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Upcoming breaking change: Conversations API, Help Desk, and Comments
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3
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1246
|
August 5, 2026
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Changes to list membership actions in the v4 Automation API
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1
|
1600
|
August 2, 2026
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July 2026 Rollup announcement
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0
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75
|
July 31, 2026
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New Global Configuration
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2
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2466
|
July 28, 2026
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Breaking Change: Pipeline and pipeline stage delete endpoints will validate references by default
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0
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30
|
July 21, 2026
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[New Deprecation Date] Upcoming Deprecation: HubSpot Projects v2025.1 to be deprecated Augus 1, 2026
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11
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9622
|
July 16, 2026
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Developer updates for June 2026
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0
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105
|
June 29, 2026
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Sites using polyfill.io on HubSpot were rewritten to use Cloudflare's version
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0
|
1871
|
July 15, 2024
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HubSpot Agent CLI available in public beta
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0
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122
|
June 23, 2026
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Introducing date-based API versioning
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3
|
2116
|
June 5, 2026
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Upcoming breaking change: Marketing Event property updates
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2
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910
|
June 5, 2026
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Deprecating Support for HubSpot v4 APIs
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4
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693
|
June 2, 2026
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🗣️Announcing the new Developer Feedback Tool - Available Now ✨
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12
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30103
|
May 18, 2026
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February 2026 Developer Rollup
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4
|
521
|
May 14, 2026
|
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New Marketplace Distribution App Install Limits
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14
|
6883
|
May 13, 2026
|
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v1 OAuth API Deprecation
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0
|
514
|
May 12, 2026
|
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App Listing and App Certification Requirement Updates for May 2026
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0
|
921
|
May 7, 2026
|
|
Our Ecosystem Vision for the Agent Era & Updated Developer Terms
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0
|
506
|
May 4, 2026
|
|
April 2026 Rollup
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0
|
1319
|
April 30, 2026
|
|
App Marketplace Listing Process Validation
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|
7
|
26840
|
April 30, 2026
|
|
Legacy Public App Creation Sunset
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0
|
801
|
April 23, 2026
|
|
Upcoming breaking change: Customer Agent Lead Status contact property becoming read-only
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0
|
378
|
April 15, 2026
|
|
Spring 2026 Spotlight Developer Changelog
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0
|
3180
|
April 14, 2026
|
|
Remote HubSpot MCP server is now generally available
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0
|
758
|
April 13, 2026
|
|
Content Rendering Will Migrate to CLDR Locale Data Standard
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0
|
446
|
April 1, 2026
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