iOS framework got Crash on Dynamic drawtext on 8.0.0, But same works in 7.1.1

[ani-backend]

-y -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/user_image.jpeg -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/profile_border.png -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/cat_complete.png -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/wave_video.gif -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/audio.flac -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/mask_1.png -i /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/mask_2.png -filter_complex color=black:s=1080x1920:d=87.000[bg];[0:v]scale=250:250,format=yuva444p,geq=lum='p(X,Y)':a='if(lte(pow(X-(W/2),2)+pow(Y-(H/2),2),pow(min(W,H)/2,2)),255,0)'[usercircle];[1:v]scale=266:266[border];[bg][border]overlay=x=79:y=155[step0];[step0][usercircle]overlay=x=87:y=163[step1];[2:v]scale=90:90[logo];[step1][logo]overlay=x=252:y=348[step2];[3:v]scale=1080:288[waveform_scaled];[waveform_scaled]loop=loop=-1:size=32767:start=0[waveform];[step2][waveform]overlay=x=0:y=680:repeatlast=0[step2_waveform];[step2_waveform]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/ethnocentric_regular.otf':text='Rolling in the':fontcolor=#FEFEFECC:fontsize=42:x=397:y=203[tt1];[tt1]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/ethnocentric_regular.otf':text='Deep':fontcolor=#FEFEFECC:fontsize=42:x=397:y=253[tt2];[tt2]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/iceland_regular.ttf':text='Adele':fontcolor=#FEFEFECC:fontsize=36:x=397:y=313[tt3];[tt3]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/iceland_regular.ttf':text='FT. Animesh':fontcolor=#FEFEFECC:fontsize=44:x=397:y=393[step3];[step3]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/ethnocentric_regular.otf':text='Theres a fire':fontcolor=#EBC0E8:fontsize='if(between(t\,0\,8.715)\,38\,if(between(t\,8.715\,87.000)\,46\,0))':x=(w-text_w)/2:y='if(between(t\,0\,87.000)\,1358\,1203)'+-27:enable='between(t,0,87.000)'[lyrCURR_0_0];[lyrCURR_0_0]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/ethnocentric_regular.otf':text='starting in my heart':fontcolor=#EBC0E8:fontsize='if(between(t\,0\,8.715)\,38\,if(between(t\,8.715\,87.000)\,46\,0))':x=(w-text_w)/2:y='if(between(t\,0\,87.000)\,1358\,1203)'+27:enable='between(t,0,87.000)'[lyrCURR_0_1];[lyrCURR_0_1]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/ethnocentric_regular.otf':text='Theres a fire starting in my':fontcolor=#EBC0E8:fontsize='if(between(t\,0\,8.715)\,38\,if(between(t\,8.715\,87.000)\,46\,0))':x=(w-text_w)/2:y='if(between(t\,0\,87.000)\,1358\,1203)'+-18:enable='between(t,(87.000+0.180),87.000)'[lyrPREV_0_0];[lyrPREV_0_0]drawtext=fontfile='/var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/assets/default_video/ethnocentric_regular.otf':text='heart':fontcolor=#EBC0E8:fontsize='if(between(t\,0\,8.715)\,38\,if(between(t\,8.715\,87.000)\,46\,0))':x=(w-text_w)/2:y='if(between(t\,0\,87.000)\,1358\,1203)'+18:enable='between(t,(87.000+0.180),87.000)'[lyrPREV_0_1];[5:v]scale=1080:150[mask1s];[6:v]scale=1080:150[mask2s];[lyrPREV_0_1][mask1s]overlay=x=(main_w-overlay_w)/2:y=1208-overlay_h/2[after_mask1];[after_mask1][mask2s]overlay=x=(main_w-overlay_w)/2:y=1513-overlay_h/2[after_masks] -map [after_masks] -map 4:a -c:v libx264 -preset ultrafast -profile:v high -level:v 4.1 -crf 38 -pix_fmt yuv420p -c:a aac -b:a 128k -ac 2 -af loudnorm=I=-16:TP=-1.5:LRA=11 -map_metadata -1 -map_chapters -1 -movflags +faststart -shortest /var/mobile/Containers/Data/Application/00578C70-1A4D-4DD3-8F60-9044844C1CE6/Documents/exported_video_1770101982344.mp4

It will crash when on 8.715 secs frame render starts