Thought I'd share my Prusa style autoload macro (firmware => 3.5.0) for others to use or improve. Please feel free to add your suggestions! This assumes you have a filament sensor.

EDIT: I've updated the load.g code to make it a little more smart.

daemon.g

; Monitor the Filament Sensor to see if it's loaded
if {sensors.filamentMonitors[0].status = "noFilament"}
    M98 P"0:/macros/load.g"

load.g

; Filament AutoLoad Macro for RepRapFirmware
; While waiting for the user to load filament, check the filament sensor
while {sensors.filamentMonitors[0].status = "noFilament"}
    M117 "Please load filament."
; Read filament sensor and if filment is present, continue the load process
if {sensors.filamentMonitors[0].status = "ok"}
    ; Ask user what type of filament is loaded
    M291 S4 T0 P"Select Filament Type" R"Filament Type" K{"PLA","PETG","ABS","TPU","Nylon"}
    ; Set the temperature based on the filament type
    if {input == 0}
        G10 S200 ; Set temperature for PLA
    elif {input == 1}
        G10 S235 ; Set temperature for PETG
    elif {input == 2}
        G10 S240 ; Set temperature for ABS
    elif {input == 3}
        G10 S220 ; Set temperature for TPU
    elif {input == 4}
        G10 S250 ; Set temperature for Nylon
    M116 ; Wait for the temperatures to be reached
    M83 ; Extruder to relative mode

    ; Move E till filament is grabbed by gears
    G1 E15 F120 ; Extrude 15mm of filament at a speed of 120mm/min
    
    ; Ask user if filament was grabbed by gears. If not, grab a little more filament
    var loaded = false
    while {var.loaded = false}
        M291 S4 T0 P"Filament Loaded?" R"Filament Loaded?" K{"Continue","Try Again"}
        if {input == 1} ; Try again
            set var.loaded = false
            G1 E15 F120 ; Extrude 15mm of filament at a speed of 120mm/min
            continue
        elif {input == 0} ; Continue
            set var.loaded = true
            break
    if {var.loaded == true}
        ; Change the extruded amount depending on the size of your hotend setup.
        G1 E80 F240 ; Extrude 80mm of filament at a speed of 240mm/min.
        ; Ask user if filament is extruding properly
        var extruded = false
        while {var.extruded = false}
            M291 S4 T0 P"Filament Extruding?" R"Did filament come out?" K{"No","Yes"}
            if {input == 0} ; No
                set var.extruded = false
                G1 E15 F240 ; Extrude 15mm more of filament at a speed of 240mm/min
                continue
            elif {input == 1} ; Yes
                set var.extruded = true
                break
        ; Set the extruder position to 0
        G92 E0
        M104 S0 ; set tool temp to 0

Using Duet 3 mini 5+ board on cartesian style printer

Issue after upgrading to 3.4.5 during the homing sequences occurred on the axis being told to travel back a few mm. The movement would happen normally during the H1 home, but move at a snails pace during the H2 portion.

On X and Y:
G1 H1 X-265 F3600 ; move quickly to X axis end <-- MOVES NORMALLY
G1 H2 X10 F6000 ; go back a few mm <-- HERE IS WHERE THE AXIS MOVES AT A SNAILS PACE.

On Z homing:
G30 ; <-- LOWERS Z AT NORMAL SPEED FIRST TIME, BUT SUBSEQUENT RAISES AND LOWERS ARE SO SLOW I COULD BARELY TELL THE GANTRY WAS MOVING. RESULTS IN FAILED Z PROBE.

Downgraded to 3.4.4 which works a treat. Just thought I'd let you know in case this is the first you've seen the issue.
config.g file attached for reference in case you need it.config.g

@gloomyandy I'll suggest that in the report to the ConfigTool repo.

@T3P3Tony The new one didn't get flagged.

I'm having the same issue: https://forum.duet3d.com/topic/35647/hardfault-causing-failed-prints

I'm having the same issue: https://forum.duet3d.com/topic/35647/hardfault-causing-failed-prints

Not sure why, but since upgrading to 3.5.x I've had 3 times where the Duet3 Mini board just stops motion and reboots. Any clue as to the cause from the diagnostics? Most of the time my prints complete just fine, so I'm puzzled as to why this has started happening. Here's my M122:

=== Diagnostics ===
RepRapFirmware for Duet 3 Mini 5+ version 3.5.1 (2024-04-19 14:41:25) running on Duet 3 Mini5plus WiFi (standalone mode)
Board ID: AATGZ-U396U-D65J0-40KM4-NM03Z-HUQXW
Used output buffers: 8 of 40 (21 max)
=== RTOS ===
Static ram: 103232
Dynamic ram: 121388 of which 0 recycled
Never used RAM 13868, free system stack 160 words
Tasks: NETWORK(2,nWait 7,13.9%,234) HEAT(3,nWait 6,0.0%,351) Move(4,nWait 6,0.0%,294) CanReceiv(6,nWait 1,0.0%,940) CanSender(5,nWait 7,0.0%,336) CanClock(7,delaying,0.0%,334) TMC(4,nWait 6,0.8%,111) MAIN(1,running,84.3%,665) IDLE(0,ready,0.1%,30) AIN(4,delaying,0.9%,269), total 100.0%
Owned mutexes: WiFi(NETWORK)
=== Platform ===
Last reset 00:03:24 ago, cause: software
Last software reset at 2024-05-05 19:22, reason: HardFault imprec, Gcodes spinning, available RAM 12748, slot 0
Software reset code 0x4063 HFSR 0x40000000 CFSR 0x00000400 ICSR 0x0047d803 BFAR 0xe000ed38 SP 0x20012050 Task NETW Freestk 507 ok
Stack: 2002c5e0 20031398 200014e8 00000000 ffffffff 0002ff99 00030058 610ff200 000347e1 2002c3a8 2002c3a8 00000003 0002f715 00000020 20034ee0 00000000 0ded7a33 e000e000 2001e9f8 a5a5a5a5 20034ee0 00000000 0dee8d89 e000e000 2001e9f8 a5a5a5a5 a5a5a5a5
Error status: 0x00
MCU revision 3, ADC conversions started 205089, completed 205088, timed out 0, errs 0
MCU temperature: min 34.3, current 34.3, max 42.0
Supply voltage: min 24.1, current 24.3, max 24.3, under voltage events: 0, over voltage events: 0, power good: yes
Heap OK, handles allocated/used 99/0, heap memory allocated/used/recyclable 2048/336/336, gc cycles 0
Events: 0 queued, 0 completed
Driver 0: standstill, SG min 174, read errors 0, write errors 1, ifcnt 77, reads 10768, writes 10, timeouts 0, DMA errors 0, CC errors 0
Driver 1: standstill, SG min 188, read errors 0, write errors 1, ifcnt 74, reads 10768, writes 10, timeouts 0, DMA errors 0, CC errors 0
Driver 2: standstill, SG min 110, read errors 0, write errors 1, ifcnt 52, reads 10765, writes 13, timeouts 0, DMA errors 0, CC errors 0
Driver 3: standstill, SG min 2, read errors 0, write errors 1, ifcnt 226, reads 10768, writes 10, timeouts 0, DMA errors 0, CC errors 0
Driver 4: standstill, SG min 2, read errors 0, write errors 1, ifcnt 53, reads 10765, writes 13, timeouts 0, DMA errors 0, CC errors 0
Driver 5: not present
Driver 6: not present
Date/time: 2024-05-05 19:25:35
Cache data hit count 378313878
Slowest loop: 4.71ms; fastest: 0.16ms
=== Storage ===
Free file entries: 20
SD card 0 detected, interface speed: 22.5MBytes/sec
SD card longest read time 2.1ms, write time 0.0ms, max retries 0
=== Move ===
DMs created 83, segments created 3, maxWait 40727ms, bed compensation in use: none, height map offset 0.000, max steps late 0, min interval 0, bad calcs 0, ebfmin 0.00, ebfmax 0.00
no step interrupt scheduled
Moves shaped first try 0, on retry 0, too short 0, wrong shape 0, maybepossible 0
=== DDARing 0 ===
Scheduled moves 1, completed 1, hiccups 0, stepErrors 0, LaErrors 0, Underruns [0, 0, 1], CDDA state -1
=== DDARing 1 ===
Scheduled moves 0, completed 0, hiccups 0, stepErrors 0, LaErrors 0, Underruns [0, 0, 0], CDDA state -1
=== Heat ===
Bed heaters 0 -1 -1 -1, chamber heaters -1 -1 -1 -1, ordering errs 0
Heater 1 is on, I-accum = 0.0
=== GCodes ===
Movement locks held by null, null
HTTP is idle in state(s) 0
Telnet is idle in state(s) 0
File is idle in state(s) 0
USB is idle in state(s) 0
Aux is idle in state(s) 0
Trigger is idle in state(s) 0
Queue is idle in state(s) 0
LCD is idle in state(s) 0
SBC is idle in state(s) 0
Daemon is idle in state(s) 0
Aux2 is idle in state(s) 0
Autopause is idle in state(s) 0
File2 is idle in state(s) 0
Queue2 is idle in state(s) 0
Q0 segments left 0, axes/extruders owned 0x0000807
Code queue 0 is empty
Q1 segments left 0, axes/extruders owned 0x0000000
Code queue 1 is empty
=== Filament sensors ===
check 0 clear 980104
Extruder 0 sensor: ok
=== CAN ===
Messages queued 1844, received 0, lost 0, errs 965983, boc 0
Longest wait 0ms for reply type 0, peak Tx sync delay 0, free buffers 26 (min 26), ts 1025/0/0
Tx timeouts 0,0,1024,0,0,818 last cancelled message type 4514 dest 127
=== Network ===
Slowest loop: 10.47ms; fastest: 0.00ms
Responder states: MQTT(0) HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0)
HTTP sessions: 1 of 8
=== WiFi ===
Interface state: active
Module is connected to access point 
Failed messages: pending 0, notrdy 0, noresp 0
Firmware version 2.1.0
MAC address f4:cf:a2:6f:9a:ba
Module reset reason: Power up, Vcc 3.36, flash size 2097152, free heap 43052
WiFi IP address 192.168.1.12
Signal strength -56dBm, channel 9, mode 802.11n, reconnections 0
Clock register 00002001
Socket states: 0 0 0 0 0 0 0 0

Just curious what SBC everyone is using. Anyone running on a PiZero2W?

Thought I'd share my Prusa style autoload macro (firmware => 3.5.0) for others to use or improve. Please feel free to add your suggestions! This assumes you have a filament sensor.

EDIT: I've updated the load.g code to make it a little more smart.

daemon.g

; Monitor the Filament Sensor to see if it's loaded
if {sensors.filamentMonitors[0].status = "noFilament"}
    M98 P"0:/macros/load.g"

load.g

; Filament AutoLoad Macro for RepRapFirmware
; While waiting for the user to load filament, check the filament sensor
while {sensors.filamentMonitors[0].status = "noFilament"}
    M117 "Please load filament."
; Read filament sensor and if filment is present, continue the load process
if {sensors.filamentMonitors[0].status = "ok"}
    ; Ask user what type of filament is loaded
    M291 S4 T0 P"Select Filament Type" R"Filament Type" K{"PLA","PETG","ABS","TPU","Nylon"}
    ; Set the temperature based on the filament type
    if {input == 0}
        G10 S200 ; Set temperature for PLA
    elif {input == 1}
        G10 S235 ; Set temperature for PETG
    elif {input == 2}
        G10 S240 ; Set temperature for ABS
    elif {input == 3}
        G10 S220 ; Set temperature for TPU
    elif {input == 4}
        G10 S250 ; Set temperature for Nylon
    M116 ; Wait for the temperatures to be reached
    M83 ; Extruder to relative mode

    ; Move E till filament is grabbed by gears
    G1 E15 F120 ; Extrude 15mm of filament at a speed of 120mm/min
    
    ; Ask user if filament was grabbed by gears. If not, grab a little more filament
    var loaded = false
    while {var.loaded = false}
        M291 S4 T0 P"Filament Loaded?" R"Filament Loaded?" K{"Continue","Try Again"}
        if {input == 1} ; Try again
            set var.loaded = false
            G1 E15 F120 ; Extrude 15mm of filament at a speed of 120mm/min
            continue
        elif {input == 0} ; Continue
            set var.loaded = true
            break
    if {var.loaded == true}
        ; Change the extruded amount depending on the size of your hotend setup.
        G1 E80 F240 ; Extrude 80mm of filament at a speed of 240mm/min.
        ; Ask user if filament is extruding properly
        var extruded = false
        while {var.extruded = false}
            M291 S4 T0 P"Filament Extruding?" R"Did filament come out?" K{"No","Yes"}
            if {input == 0} ; No
                set var.extruded = false
                G1 E15 F240 ; Extrude 15mm more of filament at a speed of 240mm/min
                continue
            elif {input == 1} ; Yes
                set var.extruded = true
                break
        ; Set the extruder position to 0
        G92 E0
        M104 S0 ; set tool temp to 0

@T3P3Tony The new one didn't get flagged.

@gloomyandy I'll suggest that in the report to the ConfigTool repo.

@gloomyandy Bingo, commenting out the last G1 move was the key. Thank!

@gloomyandy I'm already on it I commented out the last G1 move in the homex.g file, which isn't really necessary anyway, and am heating up for a quick print test.

@gloomyandy I agree the H2 doesn't need to be there, but this homex.g file was generated by the RepRapFirmware Config tool, and like I mentioned above it works fine if it's called by the Home X button in DWC, so I didn't edit them out.

@T3P3Tony Correct