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+## Changes and updates
+
+ get commit id: `git log --pretty=format:'%h' -n 1`
+
+As of 5/25/20:  
+- Add sample ID to boxplot scatter/jitter  
+- Rename datasets: "GC/MS Metabolomics" -> "Metabolites"  
+
+As of 5/27/20:  
+- .png > .svg figure export  
+- re-order barplot by patient group  
+- update biomolecule_id (from standardized_name) usage in dropdown and throughout app.py  
+- map gene names to protein drop down menu  
+- Build combined plots  
+- update db to use new standardized lipid names  
+- Color metabolite (e.g., in loadings plot) by -ome id
+- Push changes to web server  
+- Only show identified lipids (for performance reasons)
+- Install svg software on remote server
+- Replace protein gene names with fasta headers
+- Color selected biomolecule
+
+As of 5/28/20:
+- Restructure app to multi-page layout  
+- Add differential expression tab
+
+As of 6/3/20:
+- Add QQQ data (& fix issue with raw file table filtering)
+- Downsample less interesting features in plots with n>1000 (for performance)
+- Display selected biomolecule data in separate table (whether or not in plot)
+
+As of 6/5/20:
+- Add dropdown for confounders
+- Redeploy with volcano plot (commit id: 8adfd87, database 20200527 -> bb2979d, 20200603)
+
+As of 6/6/20:
+- Add correlation/linear regression tab  
+
+As of 6/9/20:
+- Added regression stats and confidence intervals to scatter plot
+- Updated database and tested all pages
+- Redeploy with linear regression page (commit id: bb2979d, database 20200603 -> 174ca0f, 20200609)
+- Added options to select groups for linear regression
+- Truncated long biomolecule biomolecule names
+- Remove DM from clinical measurement options
+- Redeploy with linear regression page with fixed/updates (commit id: 174ca0f, database 20200603 -> 5f8628f, 20200609)
+
+As of 6/16/20:
+- Add transcriptomics data to PCA and linear regression pages
+- Add ome prefix with for drop down menu
+
+As of 6/17/20:
+- Add transcriptomics data to differential_expression page
+- Add downsampling function for volcano plot
+
+To do:
+- Add horizontal scroll in drop down menu
+- Add option to color PCA scores by HFD
+- Add heatmap
+- Add GO term enrichment (Pathway Analysis)
+- Add molecular covariance network?
+- Work on cross page data sharing/caching to improve performance
+- Add load bars
+- Enable table and plot downloads
+
+As of 9/4/10:
+- Updated code for volcano plot and linear regression pages to handle new databse. (commit id: f403f22, database 20200617 -> a262bf8, 20200901)
+
+As of 10/20/20:
+- Added GA tracking code
+- Fixed y-axis labels
+- Updated link to manuscript
+- commit id a262bf8 -> fcaae03