diff --git a/Cargo.lock b/Cargo.lock
index 1dba7ac4c891e..25fe55a7924c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1381,7 +1381,7 @@ dependencies = [
 
 [[package]]
 name = "clock"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -1724,7 +1724,7 @@ checksum = "96a6ac251f4a2aca6b3f91340350eab87ae57c3f127ffeb585e92bd336717991"
 
 [[package]]
 name = "custom_data_loader"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "re_build_tools",
  "rerun",
@@ -1732,7 +1732,7 @@ dependencies = [
 
 [[package]]
 name = "custom_store_subscriber"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "re_build_tools",
  "rerun",
@@ -1740,7 +1740,7 @@ dependencies = [
 
 [[package]]
 name = "custom_view"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "mimalloc",
  "re_crash_handler",
@@ -1796,7 +1796,7 @@ checksum = "5c297a1c74b71ae29df00c3e22dd9534821d60eb9af5a0192823fa2acea70c2a"
 
 [[package]]
 name = "dataframe_query"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "itertools 0.13.0",
  "rerun",
@@ -1891,7 +1891,7 @@ dependencies = [
 
 [[package]]
 name = "dna"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "itertools 0.13.0",
  "rand",
@@ -2383,7 +2383,7 @@ dependencies = [
 
 [[package]]
 name = "extend_viewer_ui"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "mimalloc",
  "re_crash_handler",
@@ -2916,7 +2916,7 @@ dependencies = [
 
 [[package]]
 name = "graph_lattice"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -3508,7 +3508,7 @@ dependencies = [
 
 [[package]]
 name = "incremental_logging"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -3938,7 +3938,7 @@ dependencies = [
 
 [[package]]
 name = "log_benchmark"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -3949,7 +3949,7 @@ dependencies = [
 
 [[package]]
 name = "log_file"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -4127,14 +4127,14 @@ dependencies = [
 
 [[package]]
 name = "minimal"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "rerun",
 ]
 
 [[package]]
 name = "minimal_options"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -4144,7 +4144,7 @@ dependencies = [
 
 [[package]]
 name = "minimal_serve"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "rerun",
 ]
@@ -4745,7 +4745,7 @@ dependencies = [
 
 [[package]]
 name = "objectron"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -4971,7 +4971,7 @@ dependencies = [
 
 [[package]]
 name = "plot_dashboard_stress"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -5464,7 +5464,7 @@ checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 
 [[package]]
 name = "raw_mesh"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "bytes",
@@ -5507,7 +5507,7 @@ checksum = "3b42e27ef78c35d3998403c1d26f3efd9e135d3e5121b0a4845cc5cc27547f4f"
 
 [[package]]
 name = "re_analytics"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "crossbeam",
  "directories",
@@ -5555,7 +5555,7 @@ dependencies = [
 
 [[package]]
 name = "re_blueprint_tree"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "itertools 0.13.0",
@@ -5574,14 +5574,14 @@ dependencies = [
 
 [[package]]
 name = "re_build_info"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "re_build_tools"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "cargo_metadata 0.18.1",
@@ -5594,14 +5594,14 @@ dependencies = [
 
 [[package]]
 name = "re_case"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "convert_case",
 ]
 
 [[package]]
 name = "re_chunk"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -5630,7 +5630,7 @@ dependencies = [
 
 [[package]]
 name = "re_chunk_store"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -5662,7 +5662,7 @@ dependencies = [
 
 [[package]]
 name = "re_chunk_store_ui"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_extras",
@@ -5677,7 +5677,7 @@ dependencies = [
 
 [[package]]
 name = "re_component_ui"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_extras",
@@ -5696,7 +5696,7 @@ dependencies = [
 
 [[package]]
 name = "re_context_menu"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_tiles",
@@ -5717,7 +5717,7 @@ dependencies = [
 
 [[package]]
 name = "re_crash_handler"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "backtrace",
  "econtext",
@@ -5730,7 +5730,7 @@ dependencies = [
 
 [[package]]
 name = "re_data_loader"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -5759,7 +5759,7 @@ dependencies = [
 
 [[package]]
 name = "re_data_source"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "itertools 0.13.0",
@@ -5777,7 +5777,7 @@ dependencies = [
 
 [[package]]
 name = "re_data_ui"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -5806,7 +5806,7 @@ dependencies = [
 
 [[package]]
 name = "re_dataframe"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "itertools 0.13.0",
@@ -5830,7 +5830,7 @@ dependencies = [
 
 [[package]]
 name = "re_dev_tools"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "argh",
@@ -5857,7 +5857,7 @@ dependencies = [
 
 [[package]]
 name = "re_entity_db"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -5890,21 +5890,21 @@ dependencies = [
 
 [[package]]
 name = "re_error"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
 ]
 
 [[package]]
 name = "re_format"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "num-traits",
 ]
 
 [[package]]
 name = "re_format_arrow"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "comfy-table",
  "re_arrow2",
@@ -5914,7 +5914,7 @@ dependencies = [
 
 [[package]]
 name = "re_grpc_client"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "re_chunk",
  "re_error",
@@ -5935,7 +5935,7 @@ dependencies = [
 
 [[package]]
 name = "re_int_histogram"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "criterion",
  "insta",
@@ -5946,7 +5946,7 @@ dependencies = [
 
 [[package]]
 name = "re_log"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "env_logger",
  "js-sys",
@@ -5959,7 +5959,7 @@ dependencies = [
 
 [[package]]
 name = "re_log_encoding"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "criterion",
  "ehttp",
@@ -5987,7 +5987,7 @@ dependencies = [
 
 [[package]]
 name = "re_log_types"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6036,7 +6036,7 @@ dependencies = [
 
 [[package]]
 name = "re_memory"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "backtrace",
@@ -6071,7 +6071,7 @@ dependencies = [
 
 [[package]]
 name = "re_protos"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "prost",
  "thiserror",
@@ -6081,7 +6081,7 @@ dependencies = [
 
 [[package]]
 name = "re_protos_builder"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "camino",
  "prost-build",
@@ -6091,7 +6091,7 @@ dependencies = [
 
 [[package]]
 name = "re_query"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6145,7 +6145,7 @@ dependencies = [
 
 [[package]]
 name = "re_renderer"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6197,7 +6197,7 @@ dependencies = [
 
 [[package]]
 name = "re_renderer_examples"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6221,7 +6221,7 @@ dependencies = [
 
 [[package]]
 name = "re_sdk"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "crossbeam",
@@ -6256,7 +6256,7 @@ dependencies = [
 
 [[package]]
 name = "re_sdk_comms"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "crossbeam",
@@ -6272,7 +6272,7 @@ dependencies = [
 
 [[package]]
 name = "re_selection_panel"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_tiles",
@@ -6299,7 +6299,7 @@ dependencies = [
 
 [[package]]
 name = "re_smart_channel"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "crossbeam",
  "parking_lot",
@@ -6310,7 +6310,7 @@ dependencies = [
 
 [[package]]
 name = "re_string_interner"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "nohash-hasher",
@@ -6322,7 +6322,7 @@ dependencies = [
 
 [[package]]
 name = "re_time_panel"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "criterion",
@@ -6351,7 +6351,7 @@ dependencies = [
 
 [[package]]
 name = "re_tracing"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "puffin",
  "puffin_http",
@@ -6362,7 +6362,7 @@ dependencies = [
 
 [[package]]
 name = "re_tuid"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "criterion",
  "document-features",
@@ -6375,7 +6375,7 @@ dependencies = [
 
 [[package]]
 name = "re_types"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "array-init",
@@ -6417,7 +6417,7 @@ dependencies = [
 
 [[package]]
 name = "re_types_builder"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "arrow",
@@ -6448,7 +6448,7 @@ dependencies = [
 
 [[package]]
 name = "re_types_core"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "arrow",
@@ -6473,7 +6473,7 @@ dependencies = [
 
 [[package]]
 name = "re_ui"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "eframe",
  "egui",
@@ -6499,7 +6499,7 @@ dependencies = [
 
 [[package]]
 name = "re_video"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "bit-vec",
  "cfg_aliases 0.2.1",
@@ -6527,7 +6527,7 @@ dependencies = [
 
 [[package]]
 name = "re_view"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "arrow",
@@ -6552,7 +6552,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_bar_chart"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_plot",
@@ -6570,7 +6570,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_dataframe"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "egui",
@@ -6593,7 +6593,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_graph"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "egui",
@@ -6617,7 +6617,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_map"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "bytemuck",
  "egui",
@@ -6641,7 +6641,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_spatial"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6685,7 +6685,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_tensor"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "bytemuck",
@@ -6709,7 +6709,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_text_document"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_commonmark",
@@ -6724,7 +6724,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_text_log"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_extras",
@@ -6744,7 +6744,7 @@ dependencies = [
 
 [[package]]
 name = "re_view_time_series"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "egui",
  "egui_plot",
@@ -6766,7 +6766,7 @@ dependencies = [
 
 [[package]]
 name = "re_viewer"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6843,7 +6843,7 @@ dependencies = [
 
 [[package]]
 name = "re_viewer_context"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "anyhow",
@@ -6897,7 +6897,7 @@ dependencies = [
 
 [[package]]
 name = "re_viewport"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "egui",
@@ -6920,7 +6920,7 @@ dependencies = [
 
 [[package]]
 name = "re_viewport_blueprint"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "egui",
@@ -6946,7 +6946,7 @@ dependencies = [
 
 [[package]]
 name = "re_web_viewer_server"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "document-features",
  "re_analytics",
@@ -6957,7 +6957,7 @@ dependencies = [
 
 [[package]]
 name = "re_ws_comms"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "bincode",
@@ -7154,7 +7154,7 @@ dependencies = [
 
 [[package]]
 name = "rerun"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7194,7 +7194,7 @@ dependencies = [
 
 [[package]]
 name = "rerun-cli"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "document-features",
  "mimalloc",
@@ -7209,7 +7209,7 @@ dependencies = [
 
 [[package]]
 name = "rerun-loader-rust-file"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "argh",
@@ -7218,7 +7218,7 @@ dependencies = [
 
 [[package]]
 name = "rerun_c"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "ahash",
  "infer",
@@ -7232,7 +7232,7 @@ dependencies = [
 
 [[package]]
 name = "rerun_py"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "arrow",
  "crossbeam",
@@ -7365,7 +7365,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_annotation_context"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7375,7 +7375,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_arrows2d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7385,7 +7385,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_arrows3d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7395,7 +7395,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_boxes2d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7405,7 +7405,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_boxes3d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7415,7 +7415,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_depth_image"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7426,7 +7426,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_disconnected_space"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7436,7 +7436,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_image"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7449,7 +7449,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_line_strips2d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7459,7 +7459,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_line_strips3d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7469,7 +7469,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_pinhole"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7479,7 +7479,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_points2d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7489,7 +7489,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_points3d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7499,7 +7499,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_segmentation_image"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7510,7 +7510,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_tensor"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7521,7 +7521,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_text_document"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7531,7 +7531,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_text_log"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7541,7 +7541,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_transform3d"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7551,7 +7551,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_view_coordinates"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7561,7 +7561,7 @@ dependencies = [
 
 [[package]]
 name = "roundtrip_visible_time_ranges"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -7577,7 +7577,7 @@ checksum = "3cd14fd5e3b777a7422cca79358c57a8f6e3a703d9ac187448d0daf220c2407f"
 
 [[package]]
 name = "run_wasm"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "cargo-run-wasm",
  "pico-args",
@@ -7969,7 +7969,7 @@ dependencies = [
 
 [[package]]
 name = "shared_recording"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "rerun",
 ]
@@ -8148,7 +8148,7 @@ dependencies = [
 
 [[package]]
 name = "snippets"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "itertools 0.13.0",
  "ndarray",
@@ -8172,7 +8172,7 @@ dependencies = [
 
 [[package]]
 name = "spawn_viewer"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "rerun",
 ]
@@ -8223,7 +8223,7 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stdio"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "rerun",
 ]
@@ -8400,7 +8400,7 @@ dependencies = [
 
 [[package]]
 name = "template"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "rerun",
 ]
@@ -8416,7 +8416,7 @@ dependencies = [
 
 [[package]]
 name = "test_api"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -8431,7 +8431,7 @@ dependencies = [
 
 [[package]]
 name = "test_data_density_graph"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "rand",
@@ -8441,7 +8441,7 @@ dependencies = [
 
 [[package]]
 name = "test_image_memory"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "mimalloc",
  "re_format",
@@ -8450,7 +8450,7 @@ dependencies = [
 
 [[package]]
 name = "test_pinhole_projection"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -8461,7 +8461,7 @@ dependencies = [
 
 [[package]]
 name = "test_send_columns"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "re_chunk",
  "rerun",
@@ -8469,7 +8469,7 @@ dependencies = [
 
 [[package]]
 name = "test_ui_wakeup"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index da9eb50051ead..df7068a4cbaba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ include = [
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rerun-io/rerun"
 rust-version = "1.80"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 
 [workspace.dependencies]
 # When using alpha-release, always use exact version, e.g. `version = "=0.x.y-alpha.z"
@@ -40,77 +40,77 @@ version = "0.21.0-alpha.1+dev"
 # re_log_types 0.3.0-alpha.0, NOT 0.3.0-alpha.4 even though it is newer and semver-compatible.
 
 # crates/build:
-re_build_info = { path = "crates/build/re_build_info", version = "=0.21.0-alpha.1", default-features = false }
-re_build_tools = { path = "crates/build/re_build_tools", version = "=0.21.0-alpha.1", default-features = false }
-re_dev_tools = { path = "crates/build/re_dev_tools", version = "=0.21.0-alpha.1", default-features = false }
-re_protos_builder = { path = "crates/build/re_protos_builder", version = "=0.21.0-alpha.1", default-features = false }
-re_types_builder = { path = "crates/build/re_types_builder", version = "=0.21.0-alpha.1", default-features = false }
+re_build_info = { path = "crates/build/re_build_info", version = "=0.21.0-rc.1", default-features = false }
+re_build_tools = { path = "crates/build/re_build_tools", version = "=0.21.0-rc.1", default-features = false }
+re_dev_tools = { path = "crates/build/re_dev_tools", version = "=0.21.0-rc.1", default-features = false }
+re_protos_builder = { path = "crates/build/re_protos_builder", version = "=0.21.0-rc.1", default-features = false }
+re_types_builder = { path = "crates/build/re_types_builder", version = "=0.21.0-rc.1", default-features = false }
 
 # crates/store:
-re_chunk = { path = "crates/store/re_chunk", version = "=0.21.0-alpha.1", default-features = false }
-re_chunk_store = { path = "crates/store/re_chunk_store", version = "=0.21.0-alpha.1", default-features = false }
-re_data_loader = { path = "crates/store/re_data_loader", version = "=0.21.0-alpha.1", default-features = false }
-re_data_source = { path = "crates/store/re_data_source", version = "=0.21.0-alpha.1", default-features = false }
-re_dataframe = { path = "crates/store/re_dataframe", version = "=0.21.0-alpha.1", default-features = false }
-re_entity_db = { path = "crates/store/re_entity_db", version = "=0.21.0-alpha.1", default-features = false }
-re_format_arrow = { path = "crates/store/re_format_arrow", version = "=0.21.0-alpha.1", default-features = false }
-re_grpc_client = { path = "crates/store/re_grpc_client", version = "=0.21.0-alpha.1", default-features = false }
-re_protos = { path = "crates/store/re_protos", version = "=0.21.0-alpha.1", default-features = false }
-re_log_encoding = { path = "crates/store/re_log_encoding", version = "=0.21.0-alpha.1", default-features = false }
-re_log_types = { path = "crates/store/re_log_types", version = "=0.21.0-alpha.1", default-features = false }
-re_query = { path = "crates/store/re_query", version = "=0.21.0-alpha.1", default-features = false }
-re_sdk_comms = { path = "crates/store/re_sdk_comms", version = "=0.21.0-alpha.1", default-features = false }
-re_types = { path = "crates/store/re_types", version = "=0.21.0-alpha.1", default-features = false }
-re_types_core = { path = "crates/store/re_types_core", version = "=0.21.0-alpha.1", default-features = false }
-re_ws_comms = { path = "crates/store/re_ws_comms", version = "=0.21.0-alpha.1", default-features = false }
+re_chunk = { path = "crates/store/re_chunk", version = "=0.21.0-rc.1", default-features = false }
+re_chunk_store = { path = "crates/store/re_chunk_store", version = "=0.21.0-rc.1", default-features = false }
+re_data_loader = { path = "crates/store/re_data_loader", version = "=0.21.0-rc.1", default-features = false }
+re_data_source = { path = "crates/store/re_data_source", version = "=0.21.0-rc.1", default-features = false }
+re_dataframe = { path = "crates/store/re_dataframe", version = "=0.21.0-rc.1", default-features = false }
+re_entity_db = { path = "crates/store/re_entity_db", version = "=0.21.0-rc.1", default-features = false }
+re_format_arrow = { path = "crates/store/re_format_arrow", version = "=0.21.0-rc.1", default-features = false }
+re_grpc_client = { path = "crates/store/re_grpc_client", version = "=0.21.0-rc.1", default-features = false }
+re_protos = { path = "crates/store/re_protos", version = "=0.21.0-rc.1", default-features = false }
+re_log_encoding = { path = "crates/store/re_log_encoding", version = "=0.21.0-rc.1", default-features = false }
+re_log_types = { path = "crates/store/re_log_types", version = "=0.21.0-rc.1", default-features = false }
+re_query = { path = "crates/store/re_query", version = "=0.21.0-rc.1", default-features = false }
+re_sdk_comms = { path = "crates/store/re_sdk_comms", version = "=0.21.0-rc.1", default-features = false }
+re_types = { path = "crates/store/re_types", version = "=0.21.0-rc.1", default-features = false }
+re_types_core = { path = "crates/store/re_types_core", version = "=0.21.0-rc.1", default-features = false }
+re_ws_comms = { path = "crates/store/re_ws_comms", version = "=0.21.0-rc.1", default-features = false }
 
 # crates/top:
-re_sdk = { path = "crates/top/re_sdk", version = "=0.21.0-alpha.1", default-features = false }
-rerun = { path = "crates/top/rerun", version = "=0.21.0-alpha.1", default-features = false }
-rerun_c = { path = "crates/top/rerun_c", version = "=0.21.0-alpha.1", default-features = false }
-rerun-cli = { path = "crates/top/rerun-cli", version = "=0.21.0-alpha.1", default-features = false }
+re_sdk = { path = "crates/top/re_sdk", version = "=0.21.0-rc.1", default-features = false }
+rerun = { path = "crates/top/rerun", version = "=0.21.0-rc.1", default-features = false }
+rerun_c = { path = "crates/top/rerun_c", version = "=0.21.0-rc.1", default-features = false }
+rerun-cli = { path = "crates/top/rerun-cli", version = "=0.21.0-rc.1", default-features = false }
 
 # crates/utils:
-re_analytics = { path = "crates/utils/re_analytics", version = "=0.21.0-alpha.1", default-features = false }
-re_case = { path = "crates/utils/re_case", version = "=0.21.0-alpha.1", default-features = false }
-re_crash_handler = { path = "crates/utils/re_crash_handler", version = "=0.21.0-alpha.1", default-features = false }
-re_error = { path = "crates/utils/re_error", version = "=0.21.0-alpha.1", default-features = false }
-re_format = { path = "crates/utils/re_format", version = "=0.21.0-alpha.1", default-features = false }
-re_int_histogram = { path = "crates/utils/re_int_histogram", version = "=0.21.0-alpha.1", default-features = false }
-re_log = { path = "crates/utils/re_log", version = "=0.21.0-alpha.1", default-features = false }
-re_memory = { path = "crates/utils/re_memory", version = "=0.21.0-alpha.1", default-features = false }
-re_smart_channel = { path = "crates/utils/re_smart_channel", version = "=0.21.0-alpha.1", default-features = false }
-re_string_interner = { path = "crates/utils/re_string_interner", version = "=0.21.0-alpha.1", default-features = false }
-re_tracing = { path = "crates/utils/re_tracing", version = "=0.21.0-alpha.1", default-features = false }
-re_tuid = { path = "crates/utils/re_tuid", version = "=0.21.0-alpha.1", default-features = false }
-re_video = { path = "crates/utils/re_video", version = "=0.21.0-alpha.1", default-features = false }
+re_analytics = { path = "crates/utils/re_analytics", version = "=0.21.0-rc.1", default-features = false }
+re_case = { path = "crates/utils/re_case", version = "=0.21.0-rc.1", default-features = false }
+re_crash_handler = { path = "crates/utils/re_crash_handler", version = "=0.21.0-rc.1", default-features = false }
+re_error = { path = "crates/utils/re_error", version = "=0.21.0-rc.1", default-features = false }
+re_format = { path = "crates/utils/re_format", version = "=0.21.0-rc.1", default-features = false }
+re_int_histogram = { path = "crates/utils/re_int_histogram", version = "=0.21.0-rc.1", default-features = false }
+re_log = { path = "crates/utils/re_log", version = "=0.21.0-rc.1", default-features = false }
+re_memory = { path = "crates/utils/re_memory", version = "=0.21.0-rc.1", default-features = false }
+re_smart_channel = { path = "crates/utils/re_smart_channel", version = "=0.21.0-rc.1", default-features = false }
+re_string_interner = { path = "crates/utils/re_string_interner", version = "=0.21.0-rc.1", default-features = false }
+re_tracing = { path = "crates/utils/re_tracing", version = "=0.21.0-rc.1", default-features = false }
+re_tuid = { path = "crates/utils/re_tuid", version = "=0.21.0-rc.1", default-features = false }
+re_video = { path = "crates/utils/re_video", version = "=0.21.0-rc.1", default-features = false }
 
 # crates/viewer:
-re_blueprint_tree = { path = "crates/viewer/re_blueprint_tree", version = "=0.21.0-alpha.1", default-features = false }
-re_component_ui = { path = "crates/viewer/re_component_ui", version = "=0.21.0-alpha.1", default-features = false }
-re_context_menu = { path = "crates/viewer/re_context_menu", version = "=0.21.0-alpha.1", default-features = false }
-re_data_ui = { path = "crates/viewer/re_data_ui", version = "=0.21.0-alpha.1", default-features = false }
-re_chunk_store_ui = { path = "crates/viewer/re_chunk_store_ui", version = "=0.21.0-alpha.1", default-features = false }
-re_renderer = { path = "crates/viewer/re_renderer", version = "=0.21.0-alpha.1", default-features = false }
-re_renderer_examples = { path = "crates/viewer/re_renderer_examples", version = "=0.21.0-alpha.1", default-features = false }
-re_selection_panel = { path = "crates/viewer/re_selection_panel", version = "=0.21.0-alpha.1", default-features = false }
-re_view = { path = "crates/viewer/re_view", version = "=0.21.0-alpha.1", default-features = false }
-re_view_bar_chart = { path = "crates/viewer/re_view_bar_chart", version = "=0.21.0-alpha.1", default-features = false }
-re_view_spatial = { path = "crates/viewer/re_view_spatial", version = "=0.21.0-alpha.1", default-features = false }
-re_view_dataframe = { path = "crates/viewer/re_view_dataframe", version = "=0.21.0-alpha.1", default-features = false }
-re_view_graph = { path = "crates/viewer/re_view_graph", version = "=0.21.0-alpha.1", default-features = false }
-re_view_map = { path = "crates/viewer/re_view_map", version = "=0.21.0-alpha.1", default-features = false }
-re_view_tensor = { path = "crates/viewer/re_view_tensor", version = "=0.21.0-alpha.1", default-features = false }
-re_view_text_document = { path = "crates/viewer/re_view_text_document", version = "=0.21.0-alpha.1", default-features = false }
-re_view_text_log = { path = "crates/viewer/re_view_text_log", version = "=0.21.0-alpha.1", default-features = false }
-re_view_time_series = { path = "crates/viewer/re_view_time_series", version = "=0.21.0-alpha.1", default-features = false }
-re_time_panel = { path = "crates/viewer/re_time_panel", version = "=0.21.0-alpha.1", default-features = false }
-re_ui = { path = "crates/viewer/re_ui", version = "=0.21.0-alpha.1", default-features = false }
-re_viewer = { path = "crates/viewer/re_viewer", version = "=0.21.0-alpha.1", default-features = false }
-re_viewer_context = { path = "crates/viewer/re_viewer_context", version = "=0.21.0-alpha.1", default-features = false }
-re_viewport = { path = "crates/viewer/re_viewport", version = "=0.21.0-alpha.1", default-features = false }
-re_viewport_blueprint = { path = "crates/viewer/re_viewport_blueprint", version = "=0.21.0-alpha.1", default-features = false }
-re_web_viewer_server = { path = "crates/viewer/re_web_viewer_server", version = "=0.21.0-alpha.1", default-features = false }
+re_blueprint_tree = { path = "crates/viewer/re_blueprint_tree", version = "=0.21.0-rc.1", default-features = false }
+re_component_ui = { path = "crates/viewer/re_component_ui", version = "=0.21.0-rc.1", default-features = false }
+re_context_menu = { path = "crates/viewer/re_context_menu", version = "=0.21.0-rc.1", default-features = false }
+re_data_ui = { path = "crates/viewer/re_data_ui", version = "=0.21.0-rc.1", default-features = false }
+re_chunk_store_ui = { path = "crates/viewer/re_chunk_store_ui", version = "=0.21.0-rc.1", default-features = false }
+re_renderer = { path = "crates/viewer/re_renderer", version = "=0.21.0-rc.1", default-features = false }
+re_renderer_examples = { path = "crates/viewer/re_renderer_examples", version = "=0.21.0-rc.1", default-features = false }
+re_selection_panel = { path = "crates/viewer/re_selection_panel", version = "=0.21.0-rc.1", default-features = false }
+re_view = { path = "crates/viewer/re_view", version = "=0.21.0-rc.1", default-features = false }
+re_view_bar_chart = { path = "crates/viewer/re_view_bar_chart", version = "=0.21.0-rc.1", default-features = false }
+re_view_spatial = { path = "crates/viewer/re_view_spatial", version = "=0.21.0-rc.1", default-features = false }
+re_view_dataframe = { path = "crates/viewer/re_view_dataframe", version = "=0.21.0-rc.1", default-features = false }
+re_view_graph = { path = "crates/viewer/re_view_graph", version = "=0.21.0-rc.1", default-features = false }
+re_view_map = { path = "crates/viewer/re_view_map", version = "=0.21.0-rc.1", default-features = false }
+re_view_tensor = { path = "crates/viewer/re_view_tensor", version = "=0.21.0-rc.1", default-features = false }
+re_view_text_document = { path = "crates/viewer/re_view_text_document", version = "=0.21.0-rc.1", default-features = false }
+re_view_text_log = { path = "crates/viewer/re_view_text_log", version = "=0.21.0-rc.1", default-features = false }
+re_view_time_series = { path = "crates/viewer/re_view_time_series", version = "=0.21.0-rc.1", default-features = false }
+re_time_panel = { path = "crates/viewer/re_time_panel", version = "=0.21.0-rc.1", default-features = false }
+re_ui = { path = "crates/viewer/re_ui", version = "=0.21.0-rc.1", default-features = false }
+re_viewer = { path = "crates/viewer/re_viewer", version = "=0.21.0-rc.1", default-features = false }
+re_viewer_context = { path = "crates/viewer/re_viewer_context", version = "=0.21.0-rc.1", default-features = false }
+re_viewport = { path = "crates/viewer/re_viewport", version = "=0.21.0-rc.1", default-features = false }
+re_viewport_blueprint = { path = "crates/viewer/re_viewport_blueprint", version = "=0.21.0-rc.1", default-features = false }
+re_web_viewer_server = { path = "crates/viewer/re_web_viewer_server", version = "=0.21.0-rc.1", default-features = false }
 
 # Rerun crates in other repos:
 ewebsock = "0.8.0"
diff --git a/examples/rust/clock/Cargo.toml b/examples/rust/clock/Cargo.toml
index 8e7862da7ed7f..714da52021b66 100644
--- a/examples/rust/clock/Cargo.toml
+++ b/examples/rust/clock/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "clock"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/custom_data_loader/Cargo.toml b/examples/rust/custom_data_loader/Cargo.toml
index a7c4699037ac7..de1fff3b9db4a 100644
--- a/examples/rust/custom_data_loader/Cargo.toml
+++ b/examples/rust/custom_data_loader/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "custom_data_loader"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/custom_store_subscriber/Cargo.toml b/examples/rust/custom_store_subscriber/Cargo.toml
index 654d3353575c8..cd5b6dffffbf3 100644
--- a/examples/rust/custom_store_subscriber/Cargo.toml
+++ b/examples/rust/custom_store_subscriber/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "custom_store_subscriber"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/custom_view/Cargo.toml b/examples/rust/custom_view/Cargo.toml
index 31818d4281024..2ebd8f00b9616 100644
--- a/examples/rust/custom_view/Cargo.toml
+++ b/examples/rust/custom_view/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "custom_view"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/dataframe_query/Cargo.toml b/examples/rust/dataframe_query/Cargo.toml
index 538b9047d8aa4..15f934d05fb13 100644
--- a/examples/rust/dataframe_query/Cargo.toml
+++ b/examples/rust/dataframe_query/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dataframe_query"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/dna/Cargo.toml b/examples/rust/dna/Cargo.toml
index 21dec7a03ced8..947ac230e6981 100644
--- a/examples/rust/dna/Cargo.toml
+++ b/examples/rust/dna/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dna"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/extend_viewer_ui/Cargo.toml b/examples/rust/extend_viewer_ui/Cargo.toml
index 6e4a385aa8508..24c72e891d9c1 100644
--- a/examples/rust/extend_viewer_ui/Cargo.toml
+++ b/examples/rust/extend_viewer_ui/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "extend_viewer_ui"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/external_data_loader/Cargo.toml b/examples/rust/external_data_loader/Cargo.toml
index 956a9c949d0c5..0e073faa6321d 100644
--- a/examples/rust/external_data_loader/Cargo.toml
+++ b/examples/rust/external_data_loader/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rerun-loader-rust-file"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/graph_lattice/Cargo.toml b/examples/rust/graph_lattice/Cargo.toml
index b0c602c619e78..ee5fa6626c560 100644
--- a/examples/rust/graph_lattice/Cargo.toml
+++ b/examples/rust/graph_lattice/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "graph_lattice"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/incremental_logging/Cargo.toml b/examples/rust/incremental_logging/Cargo.toml
index 16d0e2c8dcfde..18001bd19e791 100644
--- a/examples/rust/incremental_logging/Cargo.toml
+++ b/examples/rust/incremental_logging/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "incremental_logging"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/log_file/Cargo.toml b/examples/rust/log_file/Cargo.toml
index 61efa8c61bdbf..514ec1fbc323a 100644
--- a/examples/rust/log_file/Cargo.toml
+++ b/examples/rust/log_file/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "log_file"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/minimal/Cargo.toml b/examples/rust/minimal/Cargo.toml
index fa1574b3c4cbe..44ae306fe2917 100644
--- a/examples/rust/minimal/Cargo.toml
+++ b/examples/rust/minimal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "minimal"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/minimal_options/Cargo.toml b/examples/rust/minimal_options/Cargo.toml
index 12aeb3549093a..ffa23989fb1d1 100644
--- a/examples/rust/minimal_options/Cargo.toml
+++ b/examples/rust/minimal_options/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "minimal_options"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/minimal_serve/Cargo.toml b/examples/rust/minimal_serve/Cargo.toml
index cc9b36b7eaab3..67b22a6661c8a 100644
--- a/examples/rust/minimal_serve/Cargo.toml
+++ b/examples/rust/minimal_serve/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "minimal_serve"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/objectron/Cargo.toml b/examples/rust/objectron/Cargo.toml
index 201a3218a7e85..8271c8805c82e 100644
--- a/examples/rust/objectron/Cargo.toml
+++ b/examples/rust/objectron/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "objectron"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/raw_mesh/Cargo.toml b/examples/rust/raw_mesh/Cargo.toml
index 051b612e2275e..bb630029aae42 100644
--- a/examples/rust/raw_mesh/Cargo.toml
+++ b/examples/rust/raw_mesh/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "raw_mesh"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/shared_recording/Cargo.toml b/examples/rust/shared_recording/Cargo.toml
index ba713863611f6..6c6d356985ccc 100644
--- a/examples/rust/shared_recording/Cargo.toml
+++ b/examples/rust/shared_recording/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "shared_recording"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/spawn_viewer/Cargo.toml b/examples/rust/spawn_viewer/Cargo.toml
index 050cc9655af57..3c312500f10b3 100644
--- a/examples/rust/spawn_viewer/Cargo.toml
+++ b/examples/rust/spawn_viewer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "spawn_viewer"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/stdio/Cargo.toml b/examples/rust/stdio/Cargo.toml
index 285564d8bc2f5..cfe430676703f 100644
--- a/examples/rust/stdio/Cargo.toml
+++ b/examples/rust/stdio/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "stdio"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/examples/rust/template/Cargo.toml b/examples/rust/template/Cargo.toml
index 2876785083e5a..d21a7327a952c 100644
--- a/examples/rust/template/Cargo.toml
+++ b/examples/rust/template/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "template"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 edition = "2021"
 rust-version = "1.80"
 license = "MIT OR Apache-2.0"
diff --git a/pixi.lock b/pixi.lock
index 704ab17f98a45..be9ca5be2d1d7 100644
--- a/pixi.lock
+++ b/pixi.lock
@@ -30286,8 +30286,8 @@ packages:
   - watchfiles ; extra == 'dev'
 - pypi: rerun_notebook
   name: rerun-notebook
-  version: 0.21.0a1+dev
-  sha256: 047bf251505a9b46f02e7f700fe4073247fa2c95f8dd36f6f2f628e0ade8c055
+  version: 0.21.0rc1
+  sha256: aa7936b12e23c0104c228ecc072448c8305e59fd9dc66d45cc6e6dca37ee3d2c
   requires_dist:
   - anywidget
   - jupyter-ui-poll
@@ -30362,8 +30362,8 @@ packages:
   requires_python: '>=3.8,<3.13'
 - pypi: rerun_py
   name: rerun-sdk
-  version: 0.21.0a1+dev
-  sha256: a2a848bd650eb5075582955b9dfcb9e4e43a5d1209ca7f053ceeed16ded0118a
+  version: 0.21.0rc1
+  sha256: d88788850c05a1221b68aa0d346427283dcdf936917cf03dce0545d4f6588114
   requires_dist:
   - attrs>=23.1.0
   - numpy>=1.23
@@ -30371,7 +30371,7 @@ packages:
   - pyarrow>=14.0.2
   - typing-extensions>=4.5
   - pytest==7.1.2 ; extra == 'tests'
-  - rerun-notebook==0.21.0a1+dev ; extra == 'notebook'
+  - rerun-notebook==0.21.0rc1 ; extra == 'notebook'
   requires_python: '>=3.8'
   editable: true
 - pypi: https://files.pythonhosted.org/packages/7b/44/4e421b96b67b2daff264473f7465db72fbdf36a07e05494f50300cc7b0c6/rfc3339_validator-0.1.4-py2.py3-none-any.whl
diff --git a/rerun_cpp/src/rerun/c/sdk_info.h b/rerun_cpp/src/rerun/c/sdk_info.h
index d1e864f0498e3..f709b356c2945 100644
--- a/rerun_cpp/src/rerun/c/sdk_info.h
+++ b/rerun_cpp/src/rerun/c/sdk_info.h
@@ -2,7 +2,7 @@
 ///
 /// This should match the string returned by `rr_version_string` (C) or `rerun::version_string` (C++).
 /// If not, the SDK's binary and the C header are out of sync.
-#define RERUN_SDK_HEADER_VERSION "0.21.0-alpha.1+dev"
+#define RERUN_SDK_HEADER_VERSION "0.21.0-rc.1"
 
 /// Major version of the Rerun C SDK.
 #define RERUN_SDK_HEADER_VERSION_MAJOR 0
diff --git a/rerun_js/web-viewer-react/README.md b/rerun_js/web-viewer-react/README.md
index 361b1d63f1557..22555c68496e3 100644
--- a/rerun_js/web-viewer-react/README.md
+++ b/rerun_js/web-viewer-react/README.md
@@ -35,7 +35,7 @@ export default function App() {
 ```
 
 The `rrd` in the snippet above should be a URL pointing to either:
-- A hosted `.rrd` file, such as <https://app.rerun.io/version/0.20.0/examples/dna.rrd>
+- A hosted `.rrd` file, such as <https://app.rerun.io/version/0.21.0-rc.1/examples/dna.rrd>
 - A WebSocket connection to the SDK opened via the [`serve`](https://www.rerun.io/docs/reference/sdk/operating-modes#serve) API
 
 If `rrd` is not set, the Viewer will display the same welcome screen as <https://app.rerun.io>.
diff --git a/rerun_js/web-viewer-react/package.json b/rerun_js/web-viewer-react/package.json
index a3f9eb5734a10..683a1decc1fa4 100644
--- a/rerun_js/web-viewer-react/package.json
+++ b/rerun_js/web-viewer-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rerun-io/web-viewer-react",
-  "version": "0.21.0-alpha.1+dev",
+  "version": "0.21.0-rc.1",
   "description": "Embed the Rerun web viewer in your React app",
   "licenses": [
     {
@@ -39,7 +39,7 @@
     "tsconfig.json"
   ],
   "dependencies": {
-    "@rerun-io/web-viewer": "0.21.0-alpha.1",
+    "@rerun-io/web-viewer": "0.21.0-rc.1",
     "@types/react": "^18.2.33",
     "react": "^18.2.0"
   },
diff --git a/rerun_js/web-viewer/README.md b/rerun_js/web-viewer/README.md
index 7b714f3915a60..590bdfb628968 100644
--- a/rerun_js/web-viewer/README.md
+++ b/rerun_js/web-viewer/README.md
@@ -41,7 +41,7 @@ viewer.stop();
 ```
 
 The `rrd` in the snippet above should be a URL pointing to either:
-- A hosted `.rrd` file, such as <https://app.rerun.io/version/0.20.0/examples/dna.rrd>
+- A hosted `.rrd` file, such as <https://app.rerun.io/version/0.21.0-rc.1/examples/dna.rrd>
 - A WebSocket connection to the SDK opened via the [`serve`](https://www.rerun.io/docs/reference/sdk/operating-modes#serve) API
 
 If `rrd` is not set, the Viewer will display the same welcome screen as <https://app.rerun.io>.
diff --git a/rerun_js/web-viewer/package.json b/rerun_js/web-viewer/package.json
index 4da306e5c0a69..0fb30f347c123 100644
--- a/rerun_js/web-viewer/package.json
+++ b/rerun_js/web-viewer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rerun-io/web-viewer",
-  "version": "0.21.0-alpha.1+dev",
+  "version": "0.21.0-rc.1",
   "description": "Embed the Rerun web viewer in your app",
   "licenses": [
     {
diff --git a/rerun_notebook/pyproject.toml b/rerun_notebook/pyproject.toml
index 52105c2c8d55f..a40661d57d590 100644
--- a/rerun_notebook/pyproject.toml
+++ b/rerun_notebook/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "hatchling.build"
 [project]
 name = "rerun-notebook"
 description = "Implementation helper for running rerun-sdk in notebooks"
-version = "0.21.0-alpha.1+dev"
+version = "0.21.0-rc.1"
 dependencies = ["anywidget", "jupyter-ui-poll"]
 readme = "README.md"
 keywords = ["rerun", "notebook"]
diff --git a/rerun_py/pyproject.toml b/rerun_py/pyproject.toml
index fb430c0a825f5..6102e2da16da0 100644
--- a/rerun_py/pyproject.toml
+++ b/rerun_py/pyproject.toml
@@ -33,7 +33,7 @@ text = "MIT OR Apache-2.0"
 
 [project.optional-dependencies]
 tests = ["pytest==7.1.2"]
-notebook = ["rerun-notebook==0.21.0-alpha.1+dev"]
+notebook = ["rerun-notebook==0.21.0-rc.1"]
 
 [project.urls]
 documentation = "https://www.rerun.io/docs"
diff --git a/rerun_py/rerun_sdk/rerun/__init__.py b/rerun_py/rerun_sdk/rerun/__init__.py
index ffa7ac2821079..420e0083de1cf 100644
--- a/rerun_py/rerun_sdk/rerun/__init__.py
+++ b/rerun_py/rerun_sdk/rerun/__init__.py
@@ -9,8 +9,8 @@
 
 import numpy as np
 
-__version__ = "0.21.0-alpha.1+dev"
-__version_info__ = (0, 21, 0, "alpha.1")
+__version__ = "0.21.0-rc.1"
+__version_info__ = (0, 21, 0, "rc.1")
 
 if sys.version_info < (3, 9):
     warnings.warn(