Diagram thumbnails on the Apps → Capable Diagrams page appear slowly, one after another

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What you are seeing

Diagram thumbnails on the Apps → Capable Diagrams page appear slowly, one after another.

#Why it happens

Preview content is downloaded through a deliberate throttle. At most 2 at a time, 100 ms apart. So a busy site fills in progressively.

#What to do

This is expected. Wait for the page to settle, or narrow the project and type filters to load fewer items.

#Settings involved

Setting

Where

What it does

Admin / project / site settings

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Diagram (gadget configuration). Diagram

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Diagram (gadget configuration). Language

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#Limits that apply here

Limit

Value

What happens

Diagram title length

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The Title input is capped at 50 characters. Titles are used verbatim as attachment filenames with no de-duplication or sanitisation, so two diagrams with the same title produce two identically named a

Browse page size

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Each JQL page requests 12 issues and the list reveals 12 rows at a time; Show more loads the next batch. (The shared hook's own default is 50; the Diagrams page overrides it to 12.).

Concurrent diagram previews on the browse pa

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Diagram content is downloaded one attachment at a time through a throttle, so thumbnails on a busy site fill in progressively rather than all at once.

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