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# 5.4 Software Features and Enhancements

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## 5.4.1 ModelSim ME Pro Simulator Tool Upgraded to v2023.1

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The ModelSim ME Pro Simulator tool bundled in Libero SoC v2023.2 has been upgraded to v2023.1.

## 5.4.2 QuestaSim Pro ME Simulator Tool Introduced in Libero SoC v2023.2

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Starting with Libero SoC v2023.2, QuestaSim Pro ME v2023.1 is bundled with Libero SoC releases. To run QuestaSim Pro ME, you require an updated license.
Important: All users of Libero are required to regenerate their licenses in order to use QuestaSim Pro ME. If you encounter any issues, create a tech support case on the Microchip Technical Support Portal at https://microchip.my.site.com/s/.
To obtain the latest Libero license, follow these steps:

1. Log in to https://www.microchipdirect.com/.
2. Visit the FPGA Software Products page on microchipDIRECT at https://www.microchipdirect.com/fpga-software-products.
3. Click the Download License button to download the updated active Libero Evaluation, Silver, Gold, and/or Platinum licenses. Other license types do not contain the QuestaSim Pro ME feature line.
4. After downloading the `license.dat` file, open it to view the Microchipqsim and Microchipqsimpro QuestaSim Pro ME feature lines. If you cannot find these feature lines in your active Libero license or are unable to open the QuestaSim Pro ME tool, create a tech support case on the Microchip Technical Support Portal at https://microchip.my.site.com/s/.

## 5.4.3 Synplify Pro and Identify Tools Upgraded to T-2022.09M-SP2-1

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The Synplify Pro and Identify tools bundled in Libero SoC v2023.2 have been upgraded to T-2022.09M-SP2-1. This version enables by default the demotion of asynchronous pins from the global network based on pre-layout slacks for PolarFire FPGA and PolarFire SoC designs. This option can be disabled with the following command: `set_option -async_clkint_removal 0`.

## 5.4.4 FlashPro Express without a Connected Programmer

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FlashPro Express in Libero SoC v2023.2 adds the ability to create a new job or open an existing job project without a connected programmer. Users can now open FlashPro Express and become familiar with it in an environment where there is no active programmer or device connected.

## 5.4.5 Encryption Public Keys and Script

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Libero SoC v2023.2 includes the latest IEEE 1735 public keys for encryption, which can be found in the installation under `data/vault/ieee1735v1`.

Rev: 2025.2

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.