Yaak macOS: UI freeze when switching requests with responses > 1MB
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This is now available in 2026.6.0 beta!
I have an HTTP request to an image generation endpoint that returns a JSON response containing image data encoded in Base64. This request causes Yaak to freeze completely.
I’m not sure whether this issue is related to the response payload size or something else.
However, when I send the exact same request on Windows, Yaak does not freeze at all.
What could be causing this problem?
Environment Details:
macOS Version: Tahoe 26.6.1
Windows Version: Windows 11
Yaak Version: 2026.5.0 (same across both platforms)
macOS2026.5.0
This is now available in 2026.6.0 beta!
This is fixed in #532. Very long lines in a response are now collapsed to a placeholder with a copy button, so a base64 payload no longer stalls the editor. It will go out in the next release.
Large responses are hidden behind a confirmation over 2MB, but that check only looks at total size. A base64 image payload is one enormous single line, which is what actually bogs the editor down, so a 1MB response slips under the limit and still freezes. Making that check consider line length as well is the fix.