diff --git a/src/gasbench/dataset/configs/real_audio.yaml b/src/gasbench/dataset/configs/real_audio.yaml
index f36703d..a29ac13 100644
--- a/src/gasbench/dataset/configs/real_audio.yaml
+++ b/src/gasbench/dataset/configs/real_audio.yaml
@@ -755,3 +755,57 @@ datasets:
     generator_family: real
     content_category: speech
     notes: CML-TTS Spanish train split, released from v22 bmcore holdouts
+
+  # ── Released v23 holdouts — deferred to upstream repos (no 34data mirror) ──
+
+  - name: cml-tts-dutch
+    path: ylacombe/cml-tts
+    hf_revision: 48aedd7a8ea08efc75cae3e81fbefa9720df0812
+    modality: audio
+    media_type: real
+    source_format: parquet
+    media_per_archive: 500
+    archives_per_dataset: 2
+    hf_subfolders: ['dutch']
+    include_paths: ['train-']
+    generator_family: real
+    content_category: speech
+
+  - name: cml-tts-italian
+    path: ylacombe/cml-tts
+    hf_revision: 48aedd7a8ea08efc75cae3e81fbefa9720df0812
+    modality: audio
+    media_type: real
+    source_format: parquet
+    media_per_archive: 500
+    archives_per_dataset: 2
+    hf_subfolders: ['italian']
+    include_paths: ['train-']
+    generator_family: real
+    content_category: speech
+
+  - name: cml-tts-polish
+    path: ylacombe/cml-tts
+    hf_revision: 48aedd7a8ea08efc75cae3e81fbefa9720df0812
+    modality: audio
+    media_type: real
+    source_format: parquet
+    media_per_archive: 500
+    archives_per_dataset: 2
+    hf_subfolders: ['polish']
+    include_paths: ['train-']
+    generator_family: real
+    content_category: speech
+
+  - name: cml-tts-portuguese
+    path: ylacombe/cml-tts
+    hf_revision: 48aedd7a8ea08efc75cae3e81fbefa9720df0812
+    modality: audio
+    media_type: real
+    source_format: parquet
+    media_per_archive: 500
+    archives_per_dataset: 2
+    hf_subfolders: ['portuguese']
+    include_paths: ['train-']
+    generator_family: real
+    content_category: speech
diff --git a/src/gasbench/dataset/configs/real_images.yaml b/src/gasbench/dataset/configs/real_images.yaml
index 39f68f3..c9b5452 100644
--- a/src/gasbench/dataset/configs/real_images.yaml
+++ b/src/gasbench/dataset/configs/real_images.yaml
@@ -1223,3 +1223,29 @@ datasets:
     archives_per_dataset: 1
     generator_family: real
     content_category: medical
+
+  # ── Released v23 holdouts — deferred to upstream repos (no 34data mirror) ──
+
+  - name: conceptual-captions-0-1m
+    path: obscure-entropy/conceptual_captions_hu_filtered
+    hf_revision: e70871e77287ca4aec4a12ff2f9cec32cad5694a
+    modality: image
+    media_type: real
+    source_format: parquet
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['data/conceptual_captions_0_1m.parquet']
+    generator_family: real
+    content_category: diverse
+
+  - name: rocov2-radiology
+    path: eltorio/ROCOv2-radiology
+    hf_revision: 80ffeef4eb8d34d27cb5c2815305f1d8aee8a83c
+    modality: image
+    media_type: real
+    source_format: parquet
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['data/train-']
+    generator_family: real
+    content_category: medical
diff --git a/src/gasbench/dataset/configs/real_videos.yaml b/src/gasbench/dataset/configs/real_videos.yaml
index a0fc879..f006803 100644
--- a/src/gasbench/dataset/configs/real_videos.yaml
+++ b/src/gasbench/dataset/configs/real_videos.yaml
@@ -1093,3 +1093,65 @@ datasets:
     generator_family: real
     content_category: action
     notes: Released from v22 bmcore holdouts
+
+  # ── Released v23 holdouts — deferred to upstream repos (no 34data mirror) ──
+
+  - name: timelens2-93k-00003
+    path: MCG-NJU/TimeLens2-93K
+    hf_revision: fce4049cdf5d720e2651b956c58e664c3386c021
+    modality: video
+    media_type: real
+    source_format: tar
+    media_per_archive: 500
+    archives_per_dataset: 1
+    include_paths: ['videos/videos-00003-of-00018.tar']
+    generator_family: real
+    content_category: diverse
+
+  - name: llava-onevision-2-mid-training-00000
+    path: mvp-lab/LLaVA-OneVision-2-Data
+    hf_revision: bf7038ba5d17771dc113a3072f98591ad2e29541
+    modality: video
+    media_type: real
+    source_format: tar
+    media_per_archive: 500
+    archives_per_dataset: 1
+    include_paths: ['mid_training_video/30s/train_00000_of_09707.tar']
+    generator_family: real
+    content_category: diverse
+
+  - name: rekadaily-phone-shard-00000
+    path: RekaAI/RekaDaily-10k-raw
+    hf_revision: a42e2da9aaeef7c8653d9de50772c97ceb954251
+    modality: video
+    media_type: real
+    source_format: tar
+    media_per_archive: 500
+    archives_per_dataset: 1
+    include_paths: ['data/video_capture_first_person_videos_phone/shard-00000.tar']
+    generator_family: real
+    content_category: action
+
+  - name: rekadaily-phone-shard-00001
+    path: RekaAI/RekaDaily-10k-raw
+    hf_revision: a42e2da9aaeef7c8653d9de50772c97ceb954251
+    modality: video
+    media_type: real
+    source_format: tar
+    media_per_archive: 500
+    archives_per_dataset: 1
+    include_paths: ['data/video_capture_first_person_videos_phone/shard-00001.tar']
+    generator_family: real
+    content_category: action
+
+  - name: rekadaily-phone-shard-00002
+    path: RekaAI/RekaDaily-10k-raw
+    hf_revision: a42e2da9aaeef7c8653d9de50772c97ceb954251
+    modality: video
+    media_type: real
+    source_format: tar
+    media_per_archive: 500
+    archives_per_dataset: 1
+    include_paths: ['data/video_capture_first_person_videos_phone/shard-00002.tar']
+    generator_family: real
+    content_category: action
diff --git a/src/gasbench/dataset/configs/synthetic_images.yaml b/src/gasbench/dataset/configs/synthetic_images.yaml
index ef12539..76da567 100644
--- a/src/gasbench/dataset/configs/synthetic_images.yaml
+++ b/src/gasbench/dataset/configs/synthetic_images.yaml
@@ -974,3 +974,128 @@ datasets:
     archives_per_dataset: 1
     generator_family: mixed-generation
     content_category: diverse
+
+  # ── Released v23 holdouts — deferred to upstream repos (no 34data mirror) ──
+
+  - name: swappir-gpen-celeba-hq
+    path: Sumsub/Swappir
+    hf_revision: 02bf824fdd87577979105718d066d30aae780dca
+    modality: image
+    media_type: synthetic
+    source_format: zip
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['GPEN_CelebA_HQ.zip']
+    generator_family: gpen
+    content_category: faces
+
+  - name: swappir-gpen-fairface
+    path: Sumsub/Swappir
+    hf_revision: 02bf824fdd87577979105718d066d30aae780dca
+    modality: image
+    media_type: synthetic
+    source_format: zip
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['GPEN_fairface.zip']
+    generator_family: gpen
+    content_category: faces
+
+  - name: swappir-celeba-hq-roop
+    path: Sumsub/Swappir
+    hf_revision: 02bf824fdd87577979105718d066d30aae780dca
+    modality: image
+    media_type: semisynthetic
+    source_format: zip
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['CelebA_HQ_roop.zip']
+    exclude_paths: ['GPEN_']
+    generator_family: faceswap
+    content_category: faces
+
+  - name: swappir-celeba-hq-simswap
+    path: Sumsub/Swappir
+    hf_revision: 02bf824fdd87577979105718d066d30aae780dca
+    modality: image
+    media_type: semisynthetic
+    source_format: zip
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['CelebA_HQ_simswap.zip']
+    exclude_paths: ['GPEN_']
+    generator_family: faceswap
+    content_category: faces
+
+  - name: swappir-fairface-roop
+    path: Sumsub/Swappir
+    hf_revision: 02bf824fdd87577979105718d066d30aae780dca
+    modality: image
+    media_type: semisynthetic
+    source_format: zip
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['fairface_roop.zip']
+    exclude_paths: ['GPEN_']
+    generator_family: faceswap
+    content_category: faces
+
+  - name: scaledf-ffpp-deepfakes
+    path: scaledf/ScaleDF
+    hf_revision: fdc0f92f1f133d5c8742578917aa280b32d9d8ce
+    modality: image
+    media_type: semisynthetic
+    source_format: tar
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['ScaleDF/train/FFpp_Deepfakes.tar']
+    generator_family: faceswap
+    content_category: faces
+
+  - name: scaledf-ffpp-face2face
+    path: scaledf/ScaleDF
+    hf_revision: fdc0f92f1f133d5c8742578917aa280b32d9d8ce
+    modality: image
+    media_type: semisynthetic
+    source_format: tar
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['ScaleDF/train/FFpp_Face2Face.tar']
+    generator_family: face2face
+    content_category: faces
+
+  - name: scaledf-e4e
+    path: scaledf/ScaleDF
+    hf_revision: fdc0f92f1f133d5c8742578917aa280b32d9d8ce
+    modality: image
+    media_type: semisynthetic
+    source_format: tar
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['ScaleDF/train/E4E_faces.tar']
+    generator_family: e4e
+    content_category: faces
+
+  - name: scaledf-diffusionclip
+    path: scaledf/ScaleDF
+    hf_revision: fdc0f92f1f133d5c8742578917aa280b32d9d8ce
+    modality: image
+    media_type: semisynthetic
+    source_format: tar
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['ScaleDF/train/DiffusionCLIP_faces.tar']
+    generator_family: diffusionclip
+    content_category: faces
+
+  - name: dgm4-styleclip
+    path: rshaojimmy/DGM4
+    hf_revision: 9efd3f1ca14cb1dac1692cdce0beea6844b968a6
+    modality: image
+    media_type: semisynthetic
+    source_format: zip
+    media_per_archive: 1000
+    archives_per_dataset: 1
+    include_paths: ['manipulation/StyleCLIP.zip']
+    generator_family: styleclip
+    content_category: faces
diff --git a/src/gasbench/dataset/configs/synthetic_videos.yaml b/src/gasbench/dataset/configs/synthetic_videos.yaml
index eb997b8..4758c89 100644
--- a/src/gasbench/dataset/configs/synthetic_videos.yaml
+++ b/src/gasbench/dataset/configs/synthetic_videos.yaml
@@ -1338,3 +1338,17 @@ datasets:
     archives_per_dataset: 1
     generator_family: float
     content_category: faces
+
+  # ── Released v23 holdouts — deferred to upstream repos (no 34data mirror) ──
+
+  - name: tip-i2v-i2vgenxl
+    path: WenhaoWang/TIP-I2V
+    hf_revision: 958f51df0ba725f53e2387bc19011a001d5ce7a4
+    modality: video
+    media_type: synthetic
+    source_format: tar
+    media_per_archive: 500
+    archives_per_dataset: 1
+    include_paths: ['subset_videos_tar/i2vgenxl_videos_subset_1.tar']
+    generator_family: i2vgenxl
+    content_category: diverse