Hi lpcxpresso_support.
I'm using IMXRT1050-EVKB with SDK v2.4.2 and IDE v10.2.1.
When I upgrade My project to SDK v2.5.0 and IDE v10.3.0, Linkerscript Error occured as follows.

Q. Where is "extrasections_text.ldt"?
Linker Setting is as follows.

And Build error message is as follows.
Building target: IMXRT1050-EVKB_APL.axf
Invoking: MCU C++ Linker
arm-none-eabi-c++ -nostdlib -L"C:\MCUX_workspace\v1030\IMXRT1050-EVKB\IMXRT1050-EVKB_APL\libs" -Xlinker -Map="IMXRT1050-EVKB_APL.map" -Xlinker --gc-sections -Xlinker -print-memory-usage -Xlinker --sort-section=alignment -mcpu=cortex-m7 -mfpu=fpv5-d16 -mfloat-abi=hard -mthumb -T IMXRT1050-EVKB_APL_Debug.ld -o "IMXRT1050-EVKB_APL.axf"
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.
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c:/nxp/mcuxpressoide_10.3.0_2200/ide/plugins/com.nxp.mcuxpresso.tools.win32_10.3.0.201811011841/tools/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/bin/ld.exe:IMXRT1050-EVKB_APL_Debug.ld:0: syntax error
collect2.exe: error: ld returned 1 exit status
make: *** [makefile:131: IMXRT1050-EVKB_APL.axf] Error 1
Best Regards,
T.Kashiwagi