diff --git a/R/multivariate_pipeline.R b/R/multivariate_pipeline.R
index 67f49715..079560d1 100644
--- a/R/multivariate_pipeline.R
+++ b/R/multivariate_pipeline.R
@@ -286,9 +286,9 @@ multivariate_analysis_pipeline <- function(
   message("Fitting mvSuSiE model on input data ...")
   res$mvsusie_fitted <- mvsusieR::mvsusie(X, Y,
     L = max_L, prior_variance = mvsusie_reweighted_mixture_prior$data_driven_prior_matrices,
-    residual_variance = resid_Y, precompute_covariances = FALSE, compute_objective = TRUE,
-    estimate_residual_variance = FALSE, estimate_prior_variance = TRUE, estimate_prior_method = "EM",
-    max_iter = mvsusie_max_iter, n_thread = 1, approximate = FALSE, verbosity = verbose, coverage = coverage[1]
+    residual_variance = resid_Y, estimate_residual_variance = FALSE,
+    max_iter = mvsusie_max_iter,
+    verbose = verbose, coverage = coverage[1]
   )
 
   # Process mvSuSiE results
diff --git a/R/regularized_regression.R b/R/regularized_regression.R
index e63ff495..3e92a5ac 100644
--- a/R/regularized_regression.R
+++ b/R/regularized_regression.R
@@ -338,7 +338,9 @@ mrmash_weights <- function(mrmash_fit = NULL, X = NULL, Y = NULL, ...) {
 }
 
 #' @export
-mvsusie_weights <- function(mvsusie_fit = NULL, X = NULL, Y = NULL, prior_variance = NULL, residual_variance = NULL, L = 30, ...) {
+mvsusie_weights <- function(mvsusie_fit = NULL, X = NULL, Y = NULL,
+                            prior_variance = NULL, residual_variance = NULL,
+                            L = 30, verbose = FALSE, ...) {
   if (!requireNamespace("mvsusieR", quietly = TRUE)) {
     stop("Package 'mvsusieR' is required. Install with: devtools::install_github('stephenslab/mvsusieR')")
   }
@@ -357,9 +359,9 @@ mvsusie_weights <- function(mvsusie_fit = NULL, X = NULL, Y = NULL, prior_varian
 
     mvsusie_fit <- mvsusieR::mvsusie(
       X = X, Y = Y, L = L, prior_variance = prior_variance,
-      residual_variance = residual_variance, precompute_covariances = FALSE,
-      compute_objective = TRUE, estimate_residual_variance = FALSE, estimate_prior_variance = TRUE,
-      estimate_prior_method = "EM", approximate = FALSE, ...
+      residual_variance = residual_variance,
+      estimate_residual_variance = FALSE,
+      verbose = verbose, ...
     )
   }
   return(mvsusieR::coef.mvsusie(mvsusie_fit)[-1, ])
diff --git a/R/susie_wrapper.R b/R/susie_wrapper.R
index b2ac41aa..a2144028 100644
--- a/R/susie_wrapper.R
+++ b/R/susie_wrapper.R
@@ -150,9 +150,8 @@ susie_wrapper <- function(X, y, init_L = 5, max_L = 30, l_step = 5, ...) {
 #' @param L Initial number of causal configurations.
 #' @param max_L Maximum number of causal configurations.
 #' @param l_step Step size for increasing L when the limit is reached.
-#' @param stochastic_ld_sample Stochastic LD parameter passed to susie_rss.
-#'   NULL (default): no variance inflation. TRUE: infer sketch size from X
-#'   (requires X, not R). Integer: explicit sketch size (for R only).
+#' @param R_finite Controls variance inflation to account for finite reference LD.
+#'   Passed to \code{susieR::susie_rss()}.
 #' @param ... Extra parameters passed to susie_rss (e.g., var_y, coverage).
 #' @return SuSiE RSS fit object after dynamic L adjustment
 #' @importFrom susieR susie_rss
@@ -160,14 +159,14 @@ susie_wrapper <- function(X, y, init_L = 5, max_L = 30, l_step = 5, ...) {
 susie_rss_wrapper <- function(z, R = NULL, X = NULL, n = NULL,
                               L = 10, max_L = 30, l_step = 5,
                               coverage = 0.95,
-                              stochastic_ld_sample = NULL, ...) {
+                              R_finite = NULL, ...) {
   # Validate: exactly one of R or X
   if (is.null(R) && is.null(X)) stop("Either R or X must be provided.")
   if (!is.null(R) && !is.null(X)) stop("Only one of R or X should be provided, not both.")
 
   # Build argument list for susie_rss
   base_args <- list(z = z, n = n, L = L, coverage = coverage,
-                    stochastic_ld_sample = stochastic_ld_sample, ...)
+                    R_finite = R_finite, ...)
   if (!is.null(X)) base_args$X <- X else base_args$R <- R
 
   run_susie <- function(args) do.call(susie_rss, args)
@@ -211,7 +210,8 @@ susie_rss_wrapper <- function(z, R = NULL, X = NULL, n = NULL,
 #' @param secondary_coverage Secondary coverage levels (default: c(0.7, 0.5)).
 #' @param signal_cutoff PIP cutoff for susie_post_processor (default: 0.1).
 #' @param min_abs_corr Minimum absolute correlation for CS purity (default: 0.8).
-#' @param stochastic_ld_sample Passed to susie_rss. NULL, TRUE, or integer.
+#' @param R_finite Controls variance inflation to account for finite reference LD.
+#'   Passed to \code{susieR::susie_rss()}.
 #' @param ... Additional parameters passed to susie_rss (e.g., var_y).
 #' @return A list with post-processed SuSiE RSS results.
 #' @importFrom magrittr %>%
@@ -224,7 +224,7 @@ susie_rss_pipeline <- function(sumstats, LD_mat = NULL, X_mat = NULL, n = NULL,
                                secondary_coverage = c(0.7, 0.5),
                                signal_cutoff = 0.1,
                                min_abs_corr = 0.8,
-                               stochastic_ld_sample = NULL, ...) {
+                               R_finite = NULL, ...) {
   analysis_method <- match.arg(analysis_method)
 
   if (!is.null(sumstats$z)) {
@@ -237,7 +237,7 @@ susie_rss_pipeline <- function(sumstats, LD_mat = NULL, X_mat = NULL, n = NULL,
 
   # Common args for susie_rss_wrapper
   common <- list(z = z, n = n, coverage = coverage,
-                 stochastic_ld_sample = stochastic_ld_sample, ...)
+                 R_finite = R_finite, ...)
   if (!is.null(X_mat)) common$X <- X_mat else common$R <- LD_mat
 
   if (analysis_method == "single_effect") {
@@ -351,7 +351,7 @@ susie_post_processor <- function(susie_output, data_x, data_y, X_scalar, y_scala
   if (analysis_script != "") res$analysis_script <- analysis_script
   if (!is.null(other_quantities)) res$other_quantities <- other_quantities
   if (mode == "mvsusie") {
-    res$context_names <- susie_output$condition_names
+    res$context_names <- susie_output$outcome_names
   }
   if (!is.null(data_y)) {
     # Mode-specific processing
@@ -447,10 +447,10 @@ susie_post_processor <- function(susie_output, data_x, data_y, X_scalar, y_scala
       res$susie_result_trimmed$mu2 <- susie_output$mu2[eff_idx, , drop = FALSE]
     }
     if (mode == "mvsusie") {
-      # res$susie_result_trimmed$b1 = susie_output$b1[eff_idx, , , drop = FALSE]
-      # res$susie_result_trimmed$b2 = susie_output$b2[eff_idx, , , drop = FALSE]
-      res$susie_result_trimmed$b1_rescaled <- susie_output$b1_rescaled[eff_idx, , , drop = FALSE]
-      res$susie_result_trimmed$coef <- susie_output$coef
+      res$susie_result_trimmed$mu <- susie_output$mu[eff_idx, , , drop = FALSE]
+      res$susie_result_trimmed$mu2_diag <- susie_output$mu2_diag[eff_idx, , , drop = FALSE]
+      res$susie_result_trimmed$X_column_scale_factors <- susie_output$X_column_scale_factors
+      res$susie_result_trimmed$coef <- mvsusieR::coef.mvsusie(susie_output)[-1, , drop = FALSE]
       res$susie_result_trimmed$clfsr <- susie_output$conditional_lfsr[eff_idx, , , drop = FALSE]
       # other lfsr can be computed:
       # se_lfsr <- mvsusie_single_effect_lfsr(clfsr, alpha)
diff --git a/R/twas_weights.R b/R/twas_weights.R
index 415b3373..5166becb 100644
--- a/R/twas_weights.R
+++ b/R/twas_weights.R
@@ -634,7 +634,7 @@ twas_multivariate_weights_pipeline <- function(
         residual_variance = mnm_fit$mrmash_fitted$V,
         L = max_L,
         max_iter = mvsusie_max_iter,
-        verbosity = verbose
+        verbose = verbose
       )
     )
 
diff --git a/R/univariate_pipeline.R b/R/univariate_pipeline.R
index 63029909..13ac1133 100644
--- a/R/univariate_pipeline.R
+++ b/R/univariate_pipeline.R
@@ -191,7 +191,8 @@ load_study_LD <- function(ld_path, region) {
 #' @param impute Whether to impute missing variants via RAISS (default TRUE).
 #' @param impute_opts List of imputation options (rcond, R2_threshold, minimum_ld, lamb).
 #' @param pip_cutoff_to_skip PIP threshold for early stopping (default 0, no skip).
-#' @param stochastic_ld_sample Passed to susie_rss. NULL (default), TRUE, or integer.
+#' @param R_finite Controls variance inflation to account for finite reference LD.
+#'   Passed to \code{susieR::susie_rss()}.
 #' @param keep_indel Whether to keep indel variants (default TRUE).
 #' @param comment_string Comment character for sumstat file (default "#").
 #' @param diagnostics Whether to include diagnostic info (default FALSE).
@@ -211,7 +212,7 @@ rss_analysis_pipeline <- function(
       min_abs_corr = 0.8
     ),
     impute = TRUE, impute_opts = list(rcond = 0.01, R2_threshold = 0.6, minimum_ld = 5, lamb = 0.01),
-    pip_cutoff_to_skip = 0, stochastic_ld_sample = NULL,
+    pip_cutoff_to_skip = 0, R_finite = NULL,
     keep_indel = TRUE, comment_string = "#", diagnostics = FALSE) {
   # Detect genotype input: single X matrix or list of X matrices (mixture panel).
   # susie_rss accepts X=list(X1, X2, ...) for multi-panel mixture.
@@ -306,7 +307,7 @@ rss_analysis_pipeline <- function(
       secondary_coverage = sec_coverage,
       signal_cutoff = finemapping_opts$signal_cutoff,
       min_abs_corr = finemapping_opts$min_abs_corr,
-      stochastic_ld_sample = stochastic_ld_sample
+      R_finite = R_finite
     )
     if (!is.null(qc_method)) {
       res$outlier_number <- qc_results$outlier_number
diff --git a/man/rss_analysis_pipeline.Rd b/man/rss_analysis_pipeline.Rd
index d1750f61..fccf216f 100644
--- a/man/rss_analysis_pipeline.Rd
+++ b/man/rss_analysis_pipeline.Rd
@@ -22,7 +22,7 @@ rss_analysis_pipeline(
   impute = TRUE,
   impute_opts = list(rcond = 0.01, R2_threshold = 0.6, minimum_ld = 5, lamb = 0.01),
   pip_cutoff_to_skip = 0,
-  stochastic_ld_sample = NULL,
+  R_finite = NULL,
   keep_indel = TRUE,
   comment_string = "#",
   diagnostics = FALSE
@@ -65,7 +65,8 @@ signal_cutoff, min_abs_corr).}
 
 \item{pip_cutoff_to_skip}{PIP threshold for early stopping (default 0, no skip).}
 
-\item{stochastic_ld_sample}{Passed to susie_rss. NULL (default), TRUE, or integer.}
+\item{R_finite}{Controls variance inflation to account for finite reference LD.
+Passed to \code{susieR::susie_rss()}.}
 
 \item{keep_indel}{Whether to keep indel variants (default TRUE).}
 
diff --git a/man/susie_rss_pipeline.Rd b/man/susie_rss_pipeline.Rd
index ead21333..2a62a8f0 100644
--- a/man/susie_rss_pipeline.Rd
+++ b/man/susie_rss_pipeline.Rd
@@ -17,7 +17,7 @@ susie_rss_pipeline(
   secondary_coverage = c(0.7, 0.5),
   signal_cutoff = 0.1,
   min_abs_corr = 0.8,
-  stochastic_ld_sample = NULL,
+  R_finite = NULL,
   ...
 )
 }
@@ -46,7 +46,8 @@ susie_rss_pipeline(
 
 \item{min_abs_corr}{Minimum absolute correlation for CS purity (default: 0.8).}
 
-\item{stochastic_ld_sample}{Passed to susie_rss. NULL, TRUE, or integer.}
+\item{R_finite}{Controls variance inflation to account for finite reference LD.
+Passed to \code{susieR::susie_rss()}.}
 
 \item{...}{Additional parameters passed to susie_rss (e.g., var_y).}
 }
diff --git a/man/susie_rss_wrapper.Rd b/man/susie_rss_wrapper.Rd
index 65328a5f..8d1d4993 100644
--- a/man/susie_rss_wrapper.Rd
+++ b/man/susie_rss_wrapper.Rd
@@ -13,7 +13,7 @@ susie_rss_wrapper(
   max_L = 30,
   l_step = 5,
   coverage = 0.95,
-  stochastic_ld_sample = NULL,
+  R_finite = NULL,
   ...
 )
 }
@@ -33,9 +33,8 @@ When provided, susie_rss uses the low-rank X interface.}
 
 \item{l_step}{Step size for increasing L when the limit is reached.}
 
-\item{stochastic_ld_sample}{Stochastic LD parameter passed to susie_rss.
-NULL (default): no variance inflation. TRUE: infer sketch size from X
-(requires X, not R). Integer: explicit sketch size (for R only).}
+\item{R_finite}{Controls variance inflation to account for finite reference LD.
+Passed to \code{susieR::susie_rss()}.}
 
 \item{...}{Extra parameters passed to susie_rss (e.g., var_y, coverage).}
 }