Log is attached. The focus routine starts at 2022-01-31T14:57:15.033 CST. As you can see there's no command that pauses guiding. I didn't have this problem before I upgraded to the latest KStars build.
[2022-01-31T14:57:14.758 CST DEBG ][ org.kde.kstars.ekos.guide] - Multistar getDrift, reticle: 571.313 754.67 guidestar 571.31 756.012 so offsets: 0.00238037 -1.34137
[2022-01-31T14:57:14.759 CST DEBG ][ org.kde.kstars.ekos.guide] - " # x y flux HFR SNR Ref: # x y flux HFR SNR dRA dDEC"
[2022-01-31T14:57:14.759 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 0 571.3 754.7 1521 1.38 27.6 Ref: 0 571.3 754.7 1490 1.30 27.3 0.04 0.04"
[2022-01-31T14:57:14.759 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 1 427.9 426.5 910 1.35 21.3 Ref: 1 427.9 426.4 843 1.28 20.5 -0.20 -0.14"
[2022-01-31T14:57:14.759 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 2 786.0 815.0 532 1.23 16.3 Ref: 4 785.9 815.2 476 1.20 15.4 0.55 -0.22"
[2022-01-31T14:57:14.759 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 3 1099.0 197.0 463 1.22 15.2 Ref: 2 1099.0 196.9 616 1.29 17.6 -0.16 0.16"
[2022-01-31T14:57:14.759 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 4 1016.0 690.0 393 1.19 14.0 Ref: 5 1015.8 690.0 399 1.23 14.1 0.18 -0.44"
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 5 1119.0 718.0 374 1.21 13.7 Ref: 3 1118.9 718.2 478 1.27 15.5 0.62 -0.31"
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 6 272.9 795.1 291 1.20 12.1 Ref: 7 273.0 795.0 298 1.18 12.2 -0.24 0.41"
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 10 410.8 127.0 215 1.09 10.4 Ref: 9 410.8 127.0 288 1.19 12.0 -0.06 -0.01"
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 12 940.4 367.9 208 1.18 10.2 Ref: 6 940.5 368.2 336 1.38 13.0 0.62 0.08"
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 16 1172.9 230.1 194 1.10 9.8 Ref: 8 1172.8 229.9 292 1.31 12.1 -0.42 -0.15"
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - MultiStar: Drift median -0.00704801 -0.0731366 10 of 22 #guide 10
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] -
> MultiStar: Diff RA: -0.00704801 DEC: -0.0731366
[2022-01-31T14:57:14.760 CST DEBG ][ org.kde.kstars.ekos.guide] - Processing Axes
[2022-01-31T14:57:14.761 CST DEBG ][ org.kde.kstars.ekos.guide] - drift[ "RA" ] = -0.00704801 integral[ "RA" ] = -0.00207759
[2022-01-31T14:57:14.761 CST DEBG ][ org.kde.kstars.ekos.guide] - pulse_length[ "RA" ] = 1 ms, Direction = "NO DIR"
[2022-01-31T14:57:14.761 CST DEBG ][ org.kde.kstars.ekos.guide] - drift[ "DEC" ] = -0.0731366 integral[ "DEC" ] = -0.0186748
[2022-01-31T14:57:14.761 CST DEBG ][ org.kde.kstars.ekos.guide] - pulse_length[ "DEC" ] = 7 ms, Direction = "NO DIR"
[2022-01-31T14:57:14.765 CST DEBG ][ org.kde.kstars.ekos.guide] - ################## FINISH PROCESSING ##################
[2022-01-31T14:57:14.766 CST DEBG ][ org.kde.kstars.ekos.guide] - Capturing frame...
[2022-01-31T14:57:15.033 CST DEBG ][ org.kde.kstars.ekos.focus] - Starting focus with Detection: "Centroid" Algorithm: "Linear" Box size: 64 Subframe: no Autostar: no Full frame: yes [ 0 %, 100 %] Step Size: 50 Threshold: 150 Gaussian Sigma: 1.5 Gaussian Kernel size: 5 Multi row average: 3 Tolerance: 5 Frames: 1 Maximum Travel: 4000
[2022-01-31T14:57:15.033 CST DEBG ][ org.kde.kstars.ekos.focus] - State: "In Progress"
[2022-01-31T14:57:15.034 CST DEBG ][ org.kde.kstars.ekos.focus] - "Linear: v3.3. 1st pass. Travel 4000 initStep 50 pos 30000 min 0 max 100000 maxIters 30 tolerance 0.05 minlimit 26000 maxlimit 34000 init#steps 2"
[2022-01-31T14:57:15.035 CST DEBG ][ org.kde.kstars.ekos.focus] - "Linear: initialPosition 30100 sized 50"
[2022-01-31T14:57:15.035 CST DEBG ][ org.kde.kstars.ekos.focus] - "LinearFocuser: extending outward movement by 250"
[2022-01-31T14:57:15.035 CST INFO ][ org.kde.kstars.ekos.focus] - "Focusing outward by 350 steps..."
[2022-01-31T14:57:15.077 CST INFO ][ org.kde.kstars.indi] - Focuser Simulator : "[INFO] Focuser moved to position 30350 "
[2022-01-31T14:57:15.078 CST DEBG ][ org.kde.kstars.ekos.focus] - Abs Focuser position changed to 30350 State: Ok
[2022-01-31T14:57:15.079 CST DEBG ][ org.kde.kstars.ekos.focus] - "LinearFocuser: un-doing extension. Moving back in by 250"
[2022-01-31T14:57:15.079 CST INFO ][ org.kde.kstars.ekos.focus] - "Focusing inward by 250 steps..."
[2022-01-31T14:57:15.108 CST INFO ][ org.kde.kstars.indi] - Focuser Simulator : "[INFO] Focuser moved to position 30100 "
[2022-01-31T14:57:15.108 CST DEBG ][ org.kde.kstars.ekos.focus] - Abs Focuser position changed to 30100 State: Ok
[2022-01-31T14:57:15.108 CST DEBG ][ org.kde.kstars.ekos.focus] - "Focus position reached at 30100, starting capture in 0.5 seconds."
[2022-01-31T14:57:15.635 CST INFO ][ org.kde.kstars.ekos.focus] - "Capturing image..."
[2022-01-31T14:57:15.821 CST DEBG ][ org.kde.kstars.ekos.guide] - Received guide frame.
[2022-01-31T14:57:15.821 CST DEBG ][ org.kde.kstars.ekos.guide] - Multistar: findTopStars 250
[2022-01-31T14:57:15.858 CST DEBG ][ org.kde.kstars.ekos.guide] - "Multistar: findTopStars returning: 25 stars, 0.04s"
[2022-01-31T14:57:15.858 CST DEBG ][ org.kde.kstars.ekos.guide] - StarCorrespondence found guideStar at 0 found/not 8 1
[2022-01-31T14:57:15.858 CST DEBG ][ org.kde.kstars.ekos.guide] - StarCorrespondence found 0 at 571.331 754.659 SNR 27.5092
[2022-01-31T14:57:15.858 CST DEBG ][ org.kde.kstars.ekos.guide] - ################## BEGIN PROCESSING ##################
[2022-01-31T14:57:15.858 CST DEBG ][ org.kde.kstars.ekos.guide] - Star X: 571.331 Y: 754.659 arcsecs: 1459.04 1927.21
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] - Reticle X: 571.313 Y: 754.67 arcsecs: 1458.99 1927.24
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] -
> AFTER ROTATION Diff RA: 0.0285951 DEC: -0.0465012
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] - Multistar getDrift, reticle: 571.313 754.67 guidestar 571.31 756.012 so offsets: 0.00238037 -1.34137
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] - " # x y flux HFR SNR Ref: # x y flux HFR SNR dRA dDEC"
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 0 571.3 754.7 1514 1.37 27.5 Ref: 0 571.3 754.7 1490 1.30 27.3 0.03 -0.05"
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 1 428.0 426.5 869 1.31 20.8 Ref: 1 427.9 426.4 843 1.28 20.5 -0.19 -0.34"
[2022-01-31T14:57:15.859 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 2 1099.0 197.0 502 1.20 15.8 Ref: 2 1099.0 196.9 616 1.29 17.6 -0.15 0.10"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 3 1119.0 718.0 472 1.26 15.4 Ref: 3 1118.9 718.2 478 1.27 15.5 0.47 -0.10"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 4 786.0 815.0 459 1.19 15.2 Ref: 4 785.9 815.2 476 1.20 15.4 0.44 -0.07"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 5 273.0 795.0 384 1.24 13.9 Ref: 7 273.0 795.0 298 1.18 12.2 -0.04 -0.01"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 6 1016.0 690.0 384 1.17 13.8 Ref: 5 1015.9 690.0 399 1.23 14.1 -0.00 -0.29"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 9 940.5 368.0 238 1.21 10.9 Ref: 6 940.5 368.2 336 1.38 13.0 0.36 -0.10"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 11 411.0 126.9 228 1.12 10.7 Ref: 9 410.8 127.0 288 1.19 12.0 0.08 -0.47"
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] - MultiStar: Drift median 0.0285951 -0.0959375 9 of 25 #guide 10
[2022-01-31T14:57:15.860 CST DEBG ][ org.kde.kstars.ekos.guide] -
> MultiStar: Diff RA: 0.0285951 DEC: -0.0959375
[2022-01-31T14:57:15.861 CST DEBG ][ org.kde.kstars.ekos.guide] - Processing Axes
[2022-01-31T14:57:15.861 CST DEBG ][ org.kde.kstars.ekos.guide] - drift[ "RA" ] = 0.0285951 integral[ "RA" ] = -0.00150569
[2022-01-31T14:57:15.861 CST DEBG ][ org.kde.kstars.ekos.guide] - pulse_length[ "RA" ] = 6 ms, Direction = "NO DIR"
[2022-01-31T14:57:15.861 CST DEBG ][ org.kde.kstars.ekos.guide] - drift[ "DEC" ] = -0.0959375 integral[ "DEC" ] = -0.0205936
[2022-01-31T14:57:15.861 CST DEBG ][ org.kde.kstars.ekos.guide] - pulse_length[ "DEC" ] = 9 ms, Direction = "NO DIR"
[2022-01-31T14:57:15.869 CST DEBG ][ org.kde.kstars.ekos.guide] - ################## FINISH PROCESSING ##################
[2022-01-31T14:57:15.869 CST DEBG ][ org.kde.kstars.ekos.guide] - Capturing frame...
[2022-01-31T14:57:16.664 CST INFO ][ org.kde.kstars.ekos.focus] - "Image received."
[2022-01-31T14:57:16.676 CST INFO ][ org.kde.kstars.ekos.focus] - "Detecting sources..."
[2022-01-31T14:57:16.691 CST INFO ][ org.kde.kstars.ekos.focus] - "Detection complete."
[2022-01-31T14:57:16.709 CST DEBG ][ org.kde.kstars.ekos.focus] - Focus newFITS # 1 : Current HFR 1.03799 Num stars 2
[2022-01-31T14:57:16.714 CST DEBG ][ org.kde.kstars.ekos.focus] - "RelativeHFR: orig 1.03799 computed 1.11082 relative 1.11082"
[2022-01-31T14:57:16.714 CST DEBG ][ org.kde.kstars.ekos.focus] - "Linear: step 1, newMeasurement(30100, 1.03799 -> 1.11082, 2)"
[2022-01-31T14:57:16.714 CST DEBG ][ org.kde.kstars.ekos.focus] - "Linear: requesting position 30050"
[2022-01-31T14:57:16.732 CST INFO ][ org.kde.kstars.ekos.focus] - "Focusing inward by 50 steps..."
[2022-01-31T14:57:16.747 CST INFO ][ org.kde.kstars.indi] - Focuser Simulator : "[INFO] Focuser moved to position 30050 "
[2022-01-31T14:57:16.748 CST DEBG ][ org.kde.kstars.ekos.focus] - Abs Focuser position changed to 30050 State: Ok
[2022-01-31T14:57:16.748 CST DEBG ][ org.kde.kstars.ekos.focus] - "Focus position reached at 30050, starting capture in 0.5 seconds."
[2022-01-31T14:57:16.927 CST DEBG ][ org.kde.kstars.ekos.guide] - Received guide frame.
[2022-01-31T14:57:16.927 CST DEBG ][ org.kde.kstars.ekos.guide] - Multistar: findTopStars 250
[2022-01-31T14:57:16.963 CST DEBG ][ org.kde.kstars.ekos.guide] - "Multistar: findTopStars returning: 27 stars, 0.04s"
[2022-01-31T14:57:16.963 CST DEBG ][ org.kde.kstars.ekos.guide] - StarCorrespondence found guideStar at 0 found/not 9 0
[2022-01-31T14:57:16.963 CST DEBG ][ org.kde.kstars.ekos.guide] - StarCorrespondence found 0 at 571.319 754.67 SNR 27.2256
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - ################## BEGIN PROCESSING ##################
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - Star X: 571.319 Y: 754.67 arcsecs: 1459.01 1927.24
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - Reticle X: 571.313 Y: 754.67 arcsecs: 1458.99 1927.24
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] -
> AFTER ROTATION Diff RA: -0.000653619 DEC: -0.0165209
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - Multistar getDrift, reticle: 571.313 754.67 guidestar 571.31 756.012 so offsets: 0.00238037 -1.34137
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - " # x y flux HFR SNR Ref: # x y flux HFR SNR dRA dDEC"
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 0 571.3 754.7 1482 1.35 27.2 Ref: 0 571.3 754.7 1490 1.30 27.3 -0.00 -0.02"
[2022-01-31T14:57:16.964 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 1 428.0 426.6 781 1.27 19.8 Ref: 1 427.9 426.4 843 1.28 20.5 -0.31 -0.27"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 2 1098.9 197.0 571 1.22 16.9 Ref: 2 1099.0 196.9 616 1.29 17.6 -0.19 0.21"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 3 786.0 815.0 457 1.19 15.1 Ref: 4 785.9 815.2 476 1.20 15.4 0.51 -0.14"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 4 1119.0 718.0 390 1.21 14.0 Ref: 3 1118.9 718.2 478 1.27 15.5 0.61 -0.29"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 5 273.0 795.0 375 1.22 13.7 Ref: 7 273.0 795.0 298 1.18 12.2 -0.16 0.04"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 6 1016.0 690.0 370 1.20 13.6 Ref: 5 1015.9 690.0 399 1.23 14.1 -0.02 -0.35"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 8 411.0 127.2 252 1.21 11.2 Ref: 9 410.8 127.0 288 1.19 12.0 -0.54 -0.46"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 11 940.5 368.0 223 1.20 10.6 Ref: 6 940.5 368.2 336 1.38 13.0 0.34 -0.19"
[2022-01-31T14:57:16.965 CST DEBG ][ org.kde.kstars.ekos.guide] - "MultiStar 19 1173.0 230.0 177 1.06 9.4 Ref: 8 1172.9 229.9 292 1.31 12.1 -0.15 -0.39"
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] - MultiStar: Drift median -0.0834747 -0.228995 10 of 27 #guide 10
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] -
> MultiStar: Diff RA: -0.0834747 DEC: -0.228995
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] - Processing Axes
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] - drift[ "RA" ] = -0.0834747 integral[ "RA" ] = -0.00317518
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] - pulse_length[ "RA" ] = 18 ms, Direction = "NO DIR"
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] - drift[ "DEC" ] = -0.228995 integral[ "DEC" ] = -0.0251735
[2022-01-31T14:57:16.966 CST DEBG ][ org.kde.kstars.ekos.guide] - pulse_length[ "DEC" ] = 23 ms, Direction = "NO DIR"
[2022-01-31T14:57:16.971 CST DEBG ][ org.kde.kstars.ekos.guide] - ################## FINISH PROCESSING ##################
[2022-01-31T14:57:16.971 CST DEBG ][ org.kde.kstars.ekos.guide] - Capturing frame...
[2022-01-31T14:57:17.274 CST INFO ][ org.kde.kstars.ekos.focus] - "Capturing image..."
[2022-01-31T14:57:18.030 CST DEBG ][ org.kde.kstars.ekos.guide] - Received guide frame.
[2022-01-31T14:57:18.030 CST DEBG ][ org.kde.kstars.ekos.guide] - Multistar: findTopStars 250
[2022-01-31T14:57:18.065 CST DEBG ][ org.kde.kstars.ekos.guide] - "Multistar: findTopStars returning: 25 stars, 0.04s"
[2022-01-31T14:57:18.065 CST DEBG ][ org.kde.kstars.ekos.guide] - StarCorrespondence found guideStar at 0 found/not 9 0