IQ-TREE version 1.4.1

Mar 16, 2016

Fix bugs introduced in 1.4.0:

• A crash with checkpointing for -mtree option (reported by a web server user).
• A crash with likelihood mapping for partition models with sparse supermatrix (reported by Harald Letsch).

New features:

• Support cluster file (-lmclust) in RAxML-style format for likelihood mapping analysis.
• Support alignments with >255 sequences for likelihood mapping analysis.
• New option --opt-gamma-inv to optimize +I+G parameters thoroughly.

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