davsclaus commented on code in PR #27988:
URL: https://github.com/apache/camel/pull/27988#discussion_r4301786142
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docs/user-manual/modules/ROOT/pages/camel-4x-upgrade-guide-4_24.adoc:
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@@ -521,6 +521,14 @@ now resolves to no value, as it already did without a
field, so its default valu
(`{{?hashicorp:secret:missing#field}}`) applies. Before, without a default
value, it failed with a
`NullPointerException`.
+=== camel-bindy - a number field without precision keeps all its decimals when
marshalled
+
+A `BigDecimal`, `Double` or `Float` field whose `@DataField` (or
`@KeyValuePairField`) has no `precision` and no
+`pattern` was marshalled with at most three decimals, rounded: `1.23456` was
written as `1.235` and `0.000123` as `0`.
Review Comment:
Nit: "at most three decimals" only holds since 4.22 (CAMEL-24168). Up to
4.21, the default `precision = 0` wrote these fields without any decimals. The
4.22 guide only mentions `BigDecimal`, so the `Double`/`Float` change in 4.22
was never documented. Readers upgrading from 4.18 LTS could use a short clause
here, for example "(since Camel 4.22; before that, without any decimals)".
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