Bug reports may be submitted at Larceny's GitHub site or by email to larceny@ccs.neu.edu.
Lists of all submitted bugs are also available.
Some of the more important bugs that have been discovered in Larceny v1.3 "Grain Alcohol and Rainwater" include:
Some of the more important bugs in v0.99 that have been fixed in v1.3 include:
| Larceny v0.99 is incompatible with macOS Sierra | fixed in v1.3 | 
| compile-stale can report a spurious error | fixed in v1.3 | 
| compile-stale runs in R6RS mode and enforces R6RS syntax | fixed in v1.3 | 
| Larceny rejects some valid library names | fixed in v1.3 | 
| Larceny imposes some R6RS restrictions on R7RS programs | fixed in v1.3 | 
    
    program, primitives should not be reserved words
    
 | 
fixed in v1.3 | 
    
    eval allows assignments to imported primitives
    
 | 
fixed in v1.3 | 
| R7RS/R6RS libraries that are defined in the same file with a program that imports them can be invoked more than once | fixed in v1.3 | 
    
    compile-stale-libraries often recompiles files
    unnecessarily
    
 | 
fixed in v1.3 | 
Some of the more important improvements added in v1.3 include:
| Larceny now supports all libraries of R7RS Red Edition | done in v1.3 | 
| Larceny now supports SRFI 122, 135, 136, 137, 138, 141, 142, 143, 144, 145, 146, 147, 151, and 152 | done in v1.3 | 
| Larceny's command-line options have been revised, simplifying common combinations and adding several new options while preserving backward compatibility | done in v1.3 | 
    A new -r7strict option gives higher priority
    to R7RS conformance than to backward compatibility with
    R6RS and R5RS
 | 
done in v1.3 | 
Last updated 6 August 2017.