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[GH-ISSUE #5713] [bug]: Application Hangs on Highlighting Large Response Bodies (roughly >10K lines, >1.4mb) #2222
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Originally created by @chhaviG22 on GitHub (Dec 19, 2025).
Original GitHub issue: https://github.com/hoppscotch/hoppscotch/issues/5713
Originally assigned to: @chhaviG22 on GitHub.
Is there an existing issue for this?
Platform
Web App
Browser
Chrome
Operating System
macOS
Bug Description
Current Behavior:
The application becomes unresponsive when trying to highlight or process large response bodies exceeding approximately 10,000 lines or 1.4MB in size. This issue impacts usability when handling larger payloads or conducting data analysis on substantial responses.
Steps to Reproduce:
Actual Behavior:
The application becomes unresponsive and hangs, impacting usability.
Additional Notes:
Issue seems solely tied to large payload handling for highlighting responses.
Requires performance optimization for handling payloads of this size.
Suggested Priority:
High – Critical for users working with large datasets regularly.
Deployment Type
Hoppscotch Cloud
Version
2025.11.2
https://github.com/user-attachments/assets/dc9c0525-3424-40ee-86eb-ce3f6b0c9375
@jamesgeorge007 commented on GitHub (Jan 28, 2026):
Closing since this is now addressed in the v2026.1.0 release.