A weekly digest of client library updates from across the Cloud SDK

## Library A weekly digest of client library updates from across the [Cloud SDK](https://cloud.google.com/sdk). ### Go ### Changes for [bigquery/storage/apiv1beta1](https://github.com/googleapis/google-cloud-go/tree/main/bigquery/storage/apiv1beta1) #### [1.70.0](https://github.com/googleapis/google-cloud-go/compare/bigquery/v1.69.0...bigquery/v1.70.0) (2025-08-28) ##### Features * **bigquery/reservation:** Add Reservation.max\_slots field to Reservation proto, indicating the total max number of slots this reservation can use up to ([f1de706](https://github.com/googleapis/google-cloud-go/commit/f1de7062db662aa6dfbf1e8cd2f0ac5df678e76d)) * **bigquery/reservation:** Add Reservation.scaling\_mode field and its corresponding enum message ScalingMode. This field should be used together with Reservation.max\_slots ([f1de706](https://github.com/googleapis/google-cloud-go/commit/f1de7062db662aa6dfbf1e8cd2f0ac5df678e76d)) * **bigquery/storage/managedwriter:** Allow overriding proto conversion mapping ([#12579](https://github.com/googleapis/google-cloud-go/issues/12579)) ([ce9d29b](https://github.com/googleapis/google-cloud-go/commit/ce9d29bf2ca22877c64c9eea5b5c6489de141cc5)), refs [#12578](https://github.com/googleapis/google-cloud-go/issues/12578) * **bigquery:** Add load/extract job completion ratio ([#12471](https://github.com/googleapis/google-cloud-go/issues/12471)) ([3dab483](https://github.com/googleapis/google-cloud-go/commit/3dab483ad579c65ce520d6d9a2f8ad738ad68c9c)) * **bigquery:** Load job and external table opts for custom time format, null markers and source column match ([#12470](https://github.com/googleapis/google-cloud-go/issues/12470)) ([67b0320](https://github.com/googleapis/google-cloud-go/commit/67b0320a54be1ba7bc64eeee47a9afff14faac5f)) ### Java ### Changes for [google-cloud-bigquery](https://github.com/googleapis/java-bigquery) #### [2.54.2](https://github.com/googleapis/java-bigquery/compare/v2.54.1...v2.54.2) (2025-08-26) ##### Dependencies * Update dependency com.google.cloud:sdk-platform-java-config to v3.52.0 ([#3939](https://github.com/googleapis/java-bigquery/issues/3939)) ([794bf83](https://github.com/googleapis/java-bigquery/commit/794bf83e84efc0712638bebde5158777b9c89397))