2. Nios II Embedded Design Suite (EDS) - 2025-12-16

Nios II and Embedded IP Release Notes
Version
24.1
Table 1.  Release Information for Nios® II EDS
Quartus® Prime Software Version Quartus® Prime Variant Updates
23.4 Pro Edition Nios® II Toolchain upgrades for for Quartus® Prime Pro Edition:
  • gmp
23.1 Standard Edition Nios® II Toolchain upgrades for Quartus® Prime Standard Edition:
  • binutils
  • expat
  • gcc
  • gdb
  • gmp
  • isl
  • mpc
  • mpfr
  • ncurses
  • newlib
23.3 Pro Edition Nios® II Toolchain upgrades for Quartus® Prime Pro Edition
  • binutils
  • gcc
  • gdb
  • isl
  • mpc
  • mpfr
  • ncurses
  • newlib
23.1 Pro Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • expat
    • gcc
  • Updated value for binutils in the Table: Nios® II Toolchain Versions for Quartus® Prime Pro Edition software version 22.4.
22.1 Standard Edition Nios® II Toolchain upgrades for Quartus® Prime Standard Edition:
  • binutils
  • expat
  • gcc
  • gdb
  • isl
  • ncurses
  • newlib
22.3 Pro Edition Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
  • gcc
  • newlib
22.2 Pro Edition Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
  • expat
  • gdb
  • ncurses
22.1 Pro Edition Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
  • binutils
  • gcc
  • gdb
21.3 Pro Edition Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
  • expat
  • gcc
  • newlib
21.2 Pro Edition Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
  • binutils
  • gdb
  • gmp
  • mpc
21.1 Standard Edition Nios® II Toolchain upgrades for Quartus® Prime Standard Edition:
  • binutils
  • expat
  • gcc
  • gdb
  • gmp
  • mpc
  • mpfr
  • newlib
20.4 Pro Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • gcc
    • mpfr
  • Commercial version of MicroC/OS-II is under Apache 2.0 Open-Source Licensing, for more information refer to the Micrium Licensing Webpage.
20.1.1 Standard Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Standard Edition:
    • gcc
    • gdb
    • gmp
    • mpfr
    • ncurses
    • newlib
20.3 Pro Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • binutils
    • gcc
    • gdb
20.2 Pro Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • gcc
    • gmp
    • ncurses
    • newlib
20.1 Pro and Standard Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • binutils
    • expat
    • gcc
    • gdb
    • mpfr
  • Nios® II Toolchain upgrades for Quartus® Prime Standard Edition:
    • binutils
    • expat
    • gcc
    • gdb
    • mpfr
19.4 Pro Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • expat
19.3 Pro Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • expat
  • The cloog library is removed from toolchain for the Quartus® Prime Pro Edition.
19.2 Pro Edition
  • In the Quartus® Prime Pro Edition, the Windows® version of Nios® II EDS, Cygwin has been removed and replaced with Windows Subsystem for Linux® (WSL).

    For installation instructions, refer to the Installing Windows® Subsystem for Linux® (WSL) on Windows® sections in the Nios® II Software Developer Handbook.

  • Known Issue: wslpath: < Nios® II EDS installation directory or Nios® II project directory> No such file or directory
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • binutils
    • expat
    • gcc
    • gdb
    • isl
    • mpc
    • mpfr
    • ncurses
    • newlib
19.1 Pro and Standard Edition
  • You must manually install Eclipse from the Eclipse download page to get the Nios® II development environment running.
    Note: Nios® II Eclipse plug-ins are delivered in Quartus® Prime with the necessary installer and readme files.

    For installation instructions, refer to the Installing Eclipse IDE into Nios® II EDS section in the Nios® II Software Developer Handbook.

  • Nios® II Toolchain upgrades for Quartus® Prime Standard Edition:
    • binutils
    • expat
    • gcc
    • gdb
    • gmp
    • isl
    • mpc
    • mpfr
    • ncurses
    • newlib
  • The cloog library is removed from toolchain for the Quartus® Prime Standard Edition.
  • In the Quartus® Prime Standard Edition, the Windows® version of Nios® II EDS, Cygwin has been removed and replaced with Windows Subsystem for Linux® (WSL).

    For installation instructions, refer to the Installing Windows® Subsystem for Linux® (WSL) on Windows® sections in the Nios® II Software Developer Handbook.

  • Known issue: nios2-elf-gcc.exe: error: CreateProcess: No such file or directory
18.1 Pro and Standard Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • gcc
18.0 Pro and Standard Edition
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • binutils
    • gcc
    • gdb
    • gmp
    • isl
    • mpfr
    • newlib
17.1 Pro and Standard Edition
  • Nios® II Software Build Tools (SBT): Upgrade of Eclipse to v4.5 for Quartus® Prime Pro Edition and Quartus® Prime Standard Edition
  • New driver for Intel® XWAY PHY11G PEF7071 Ethernet PHY for Quartus® Prime Pro Edition and Quartus® Prime Standard Edition
  • Nios® II Software Build Tools (SBT): Windows 10 host support in Quartus® Prime Pro Edition and Quartus® Prime Standard Edition software
  • Nios® II Toolchain upgrades for Quartus® Prime Pro Edition:
    • binutils
    • expat
    • gcc
    • gdb
    • gmp
    • mpfr
    • newlib
  • Bug fix:
    • Issue causing locale to be broken on newlib 2.4.0 when using smallc lib is fixed.
17.0 Pro and Standard Edition
  • Nios® II Software Build Tools (SBT)—Windows 10 support added in Quartus® Prime Pro Edition.
16.1 Pro and Standard Edition
  • Nios® II Toolchain upgrades:
    • gcc
    • isl
    • mpc
    • mpfr
  • Bug fixes:
    • The handling of the -mgpopt=option setting has been changed. It is now under the full control of the BSP editor and there is a flag for it in the public.mk file.
    • nios2-app-compile no longer fails when -mgpopt is set to "global" and loglevel is set to "-1".

For more information about the GCC releases, refer to the GCC, the GNU Compiler Collection website.