1.3.1.1 Version Upgrades

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Libero® SoC v2026.1 updates simulator support to QuestaSim ME Pro 2025.3 and ModelSim ME Pro 2025.3, with QuestaSim ME Pro as the default simulator and ModelSim ME Pro available as an optional simulator.

This release also supports Visualizer debug flows. Visualizer is the unified debug environment for QuestaSim and is available as an alternative to the classic simulation debug flow. The Visualizer debug flow uses the -access/-debug options instead of the legacy +acc flow.

The following example shows the basic syntax for running the Visualizer flow:

vsim -voptargs="-debug -designfile design.bin" -qwavedb=+signal+memory

For more information about the Visualizer, see the documentation available with the QuestaSim installation. You can also refer to the ModelSim_to_QuestaSim_Migration_User_Guide.