I found a couple of new ‘features’ in the latest firmware…
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Seemed to reset the camera parameters for Intelligent Flight (it defaulted to 1080p) when I have definitely previously recorded them in 4K.
I guess the lesson is to check them every time 
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SRT files are a lot less verbose
Seems to have only the most useful output and more concise labels now.
SRT frame previous to latest firmware:
1
00:00:00,000 --> 00:00:00,033
<font size="28">SrtCnt : 1, DiffTime : 33ms
2022-08-15 19:13:34.223
[iso : 100] [shutter : 1/240.0] [fnum : 170] [ev : 0]
ag:1000 sdg:1000 idg:4096 1/230.970] xhs:432 ag_reg:256
worked[ag:1000 sdg:1000 idg:4100 shu:1/230.911]
tar:170 luma:175 lv:11174 usteb 0 iqeb 358
peb:0 ak:0[0 0 0]*r_ll:1000
alg:170[258 442]>18*0 [258 442]>40
gr:0 geb:0 reb:0 lvr:1000 peb_range[-600 0 lvr:1000]
anti-flk[mode:0 frq:0]
[RGBGain : (1902,1000,1777)] [ct : 4579]
[adj_dbg_info :[CCM:357, 32843, 32796, 32812, 369, 32839, 3, 32896, 380]
[color_temperature:4336]
[iridix_strength:1] [dmsc_sharp_alt_ld:31] [dmsc_sharp_alt_ldu:23] [dmsc_sharp_alt_lu:8]
[sinter_strength_1:5] [sinter_strength_4:5]
[color_md : default] [focal_len : 240] [dzoom_ratio: 10000, delta:0],[latitude: 51.308829] [longitude: -0.629479] [rel_alt: 0.800 abs_alt: 127.543] [cmpr: lens pos=37(stat 18), point(49,49), window:(10,10),(10,10) of(30,30),temp:3600,inf:36][sensor_temperature : 38] </font>
SRT frame with latest firmware:
1
00:00:00,000 --> 00:00:00,033
<font size="28">SrtCnt : 1, DiffTime : 33ms
2022-08-21 18:51:34.965
[iso : 110] [shutter : 1/1500.0] [fnum : 170] [ev : 0] [ct : 5175] [color_md : default] [focal_len : 240] [dzoom_ratio: 10000, delta:0],[latitude: 51.308769] [longitude: -0.628643] [rel_alt: 0.000 abs_alt: 29.265] </font>