[[release-notes-8.13.3]]
== {es} version 8.13.3

Also see <<breaking-changes-8.13,Breaking changes in 8.13>>.

[[breaking-8.13.3]]
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=== Breaking changes

SQL::
* Limit how much space some string functions can use {es-pull}107333[#107333]

[[bug-8.13.3]]
[float]
=== Bug fixes

Data streams::
* Avoid unintentionally clearing the `DataStream.rolloverOnWrite` flag {es-pull}107122[#107122]

ES|QL::
* ESQL: Fix bug when combining projections {es-pull}107131[#107131] (issue: {es-issue}107083[#107083])
* ESQL: Fix missing refs due to pruning renamed grouping columns {es-pull}107328[#107328] (issues: {es-issue}107083[#107083], {es-issue}107166[#107166])

Indices APIs::
* GET /_all should return hidden indices with visible aliases {es-pull}106975[#106975]

Mapping::
* Fix merging component templates with a mix of dotted and nested object mapper definitions {es-pull}106077[#106077] (issue: {es-issue}105482[#105482])

Network::
* Handle exceptions thrown by HTTP header validation {es-pull}107355[#107355] (issue: {es-issue}107338[#107338])

Percolator::
* Percolator named queries: rewrite for matched info {es-pull}107432[#107432] (issue: {es-issue}107176[#107176])

Search::
* Fix `minimized_round_trips` in lookup runtime fields {es-pull}107785[#107785]

[[enhancement-8.13.3]]
[float]
=== Enhancements

ES|QL::
* ESQL: Introduce language versioning to REST API {es-pull}106824[#106824]


