diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b3749cd9b15f1b7ea5f54f41601a827ec2268d7..6ce68e8016756cb4bea4c6652b7514f292b3e312 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,11 @@
 * Upload mRNA QC
 * Create and upload output bag
 * Add optional to not upload
+* Update references to use bags
+* Update to newer references (GRCh38.p13.v36 and GRCm38.p6.vM25)
+* Use production server for data-hub reference call
+* Stop pipeline if submitted does not match infered
+* Update execution run with "Success" or "Error"
 
 **Background**
 * Remove (comment out) option to pull references from S3
@@ -17,10 +22,12 @@
 * Changed order of steps so that fastqc is done after the trim step
 * Change docker images to production
 * Add automated version badges
+* Only calculate/report tin values on regular chromosomes (from gtf)
 
 *Known Bugs*
 * Datahub reference pull uses dev.gudmap.org as source until referencencs are placed on production
 * Override params (inputBag, fastq, species) aren't checked for integrity
+* 
 
 <hr>
 
diff --git a/workflow/rna-seq.nf b/workflow/rna-seq.nf
index 5c548b28b8c92e5a3cb4317621ee7cfb448211c0..567c7204c4f6bd7029156efe5dc44f5b36f8bb2c 100644
--- a/workflow/rna-seq.nf
+++ b/workflow/rna-seq.nf
@@ -1248,7 +1248,7 @@ process dedupData {
     samtools index -@ `nproc` -b ${repRID}_sorted.deduped.bam ${repRID}_sorted.deduped.bam.bai
 
     # split the deduped BAM file for multi-threaded tin calculation
-    for i in `samtools view ${repRID}_sorted.deduped.bam | cut -f3 | sort | uniq`;
+    for i in `samtools view ${repRID}_sorted.deduped.bam | grep -o chr.* | cut -f3 | sort | uniq`;
       do
       echo "echo \"LOG: splitting each chromosome into its own BAM and BAI files with Samtools\"; samtools view -b ${repRID}_sorted.deduped.bam \${i} 1>> ${repRID}_sorted.deduped.\${i}.bam; samtools index -@ `nproc` -b ${repRID}_sorted.deduped.\${i}.bam ${repRID}_sorted.deduped.\${i}.bam.bai"
     done | parallel -j `nproc` -k