Update troubleshooting.md

troubleshooting.md

@@ -50,10 +50,10 @@ what's wrong.
 ---
 ## Common Issues
 ### installation issue
-Conda is an awesome package manager, but it's _slow_ and uses a ton of memory
-as dependencies increase. Harpy has a lot of dependencies and you might stall
-out conda trying to install it. Use mamba instead-- it'll work where conda fails.
-
+Conda is an awesome package manager, but _was_ slow and used a ton of memory
+as dependencies increased. Recent (`23.10+`) versions of Conda [now use the `libmamba` solver](https://www.anaconda.com/blog/a-faster-conda-for-a-growing-community),
+the super-fast and super-lightweight solver from Mamba. If you're experiencing
+a suspiciously slow Harpy installation, either update Conda to at least version `23.10` or use Mamba.
 
 ### imputation or phasing failure
 If you use `bamutils clipOverlap` on alignments that are used for the [!badge corners="pill" text="impute"](Workflows/impute.md) or
@@ -81,4 +81,4 @@ rename_bam newname input.bam
 Call the script with no arguments to see the full usage instructions.
 
 
-**More cases will be added here as they become apparent to us**
+**More cases will be added here as they become apparent to us**