diff --git a/R/commands.R b/R/commands.R
index 3eb3252..ecc0d6a 100644
--- a/R/commands.R
+++ b/R/commands.R
@@ -264,6 +264,16 @@
     if (!is.null(result_metadata$dataset_uuid)) {
       metadata$dataset_uuid <- result_metadata$dataset_uuid
     }
+    # Service-provided blinding status; passed through unchanged, omitted for older responses.
+    if (!is.null(result_metadata$blinding_status)) {
+      metadata$blinding_status <- result_metadata$blinding_status
+    }
+
+    # Service-provided warnings; passed through without interpretation.
+    result_warnings <- result$warnings
+    if (is.null(result_warnings)) {
+      result_warnings <- list()
+    }
 
     dry_publish_or_publish_result <- list(
       success = isTRUE(result$success),
@@ -280,6 +290,7 @@
         dataset_is_valid = result_checks$dataset_is_valid
       ),
       errors = result_errors,
+      warnings = result_warnings,
       invalid_records = list()
     )
 
diff --git a/tests/testthat/test-publish.R b/tests/testthat/test-publish.R
index 9789e52..5123023 100644
--- a/tests/testthat/test-publish.R
+++ b/tests/testthat/test-publish.R
@@ -475,4 +475,76 @@ test_that(".do_put_command correctly aggregates multiple chunked batches of inva
   expect_true(is.data.frame(result$invalid_records))
   expect_equal(nrow(result$invalid_records), 2)
   expect_equal(result$invalid_records$id, c(1, 2))
-})
\ No newline at end of file
+})
+# ==============================================================================
+# Blinding status (metadata) and warnings (root) pass-through
+# ==============================================================================
+.run_put_with_json <- function(json, is_dry_publish) {
+  read_call_count <- 0
+  mock_reader <- list(
+    read = function() {
+      read_call_count <<- read_call_count + 1
+      if (read_call_count > 1) return(NULL)
+      charToRaw(json)
+    }
+  )
+  mock_writer <- list(write_table = function(x) NULL, done_writing = function() NULL, close = function() NULL)
+  mock_client <- list(do_put = function(descriptor, schema, options) list(mock_writer, mock_reader))
+
+  mockery::stub(.do_put_command, "reticulate::import", function(...) list(FlightDescriptor = list(for_path = function(x) list(path = x))))
+  mockery::stub(.do_put_command, "reticulate::r_to_py", .mock_r_to_py)
+  mockery::stub(.do_put_command, ".get_flight_options", list())
+
+  .do_put_command(mock_client, list(is_dry_publish = is_dry_publish), data.frame(subjid = c("001", "002")))
+}
+
+.envelope_json <- function(blinding = NULL, warnings = NULL) {
+  paste0(
+    '{"success": true, "metadata": {"dataset_name": "test", "dataset_version": 1, "column_count": 2',
+    if (!is.null(blinding)) paste0(', "blinding_status": ', blinding) else "",
+    '}, "metrics": {"total_valid_rows": 2, "total_invalid_rows": 0, "total_duplicate_rows": 0}, ',
+    '"checks": {"schema_is_valid": true, "config_is_valid": true, "date_formats_are_valid": true, "dataset_is_valid": true}, ',
+    '"errors": []',
+    if (!is.null(warnings)) paste0(', "warnings": ', warnings) else "",
+    '}'
+  )
+}
+
+for (dry in c(TRUE, FALSE)) {
+  label <- if (dry) "dry_publish" else "publish"
+
+  test_that(paste0(label, ": blinding_status and warnings are returned as provided"), {
+    result <- .run_put_with_json(.envelope_json('"BLINDED"', '["Blinded columns present"]'), dry)
+    expect_true(result$success)
+    expect_equal(result$metadata$blinding_status, "BLINDED")
+    expect_equal(result$warnings, "Blinded columns present")
+    expect_equal(result$metadata$dataset_name, "test")
+    expect_equal(result$metrics$total_valid_rows, 2)
+  })
+
+  test_that(paste0(label, ": multiple warnings are returned without becoming errors"), {
+    result <- .run_put_with_json(.envelope_json('"PARTIALLY_BLINDED"', '["warn one", "warn two", "warn three"]'), dry)
+    expect_true(result$success)
+    expect_equal(result$warnings, c("warn one", "warn two", "warn three"))
+    expect_equal(result$errors, list())
+  })
+
+  test_that(paste0(label, ": older responses omitting both fields remain compatible"), {
+    result <- .run_put_with_json(.envelope_json(), dry)
+    expect_true(result$success)
+    expect_null(result$metadata$blinding_status)
+    expect_equal(result$warnings, list())
+    expect_equal(result$metadata$column_count, 2)
+    expect_equal(result$errors, list())
+  })
+
+  test_that(paste0(label, ": omitting only one of the new fields is handled"), {
+    only_status <- .run_put_with_json(.envelope_json('"UNBLINDED"'), dry)
+    expect_equal(only_status$metadata$blinding_status, "UNBLINDED")
+    expect_equal(only_status$warnings, list())
+
+    only_warnings <- .run_put_with_json(.envelope_json(warnings = '["w"]'), dry)
+    expect_null(only_warnings$metadata$blinding_status)
+    expect_equal(only_warnings$warnings, "w")
+  })
+}