[6.x] Improve Bard/Replicator performance during page load - #13427
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duncanmcclean
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duncanmcclean
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Jan 5, 2026
| items: $replicatorSet['fields'], | ||
| parent: Data::find($request->reference), | ||
| parentField: $field, | ||
| parentIndex: -1 |
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Passing -1 here might be a little confusing, but according to this PR, it's the intended value when generating the new/defaults arrays.
duncanmcclean
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January 6, 2026 14:53
# Conflicts: # resources/js/components/fieldtypes/bard/BardFieldtype.vue # resources/js/components/fieldtypes/replicator/Replicator.vue
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This pull request aims to improve the performance of Bard & Replicator fields during page load by reducing the payload we generate and send to the client.
This PR also reduces the likelihood of Firefox users running into this error.
Solution
Currently, when we preprocess Bard & Replicator fields, we return
newanddefaultsarrays, which carry the default values and metadata for new sets.By nature, we only ever need these values when you add a new set. If all you're doing is editing an existing entry, we're generating a bunch of data you don't actually need.
My "solution" is simple:
newanddefaultsfrom the fieldtype's metadataBenchmarks
I've tested this approach on a few real sites I've got access to - measuring the page load of the publish form.
Site 1
Before: 3.71s (1235kB)
After: 542ms (121kB)
Site 2
Before: 1.82s (4862kB)
After: 806ms (1672kB)
Related: #11993