Changes in some sequences (in particular IGHV7-40*03) are responsible for
those number changes. There is no such changes when using the previous
germline dataset.

For information IGHV7-40*03 changed from:
>Z12320|IGHV7-40*03|Homo sapiens|P|V-REGION|1..291|289 nt|1| | | | |289+0=289|partial in 5'| |
ctgcagctggtgcagtctgggcctgaggtgaagaagcctggggcctcagtgaaggtctcc
tataagtcttctggttacaccttcaccatctatggtatgaattgggtatgatagacccct
ggacagggctttgagtggatgtgatggatcatcacctacactgggaacccaacgtatacc
cacggcttcacaggatggtttgtcttctccatggacacgtctgtcagcacggcgtgtctt
cagatcagcagcctaaaggctgaggacacggccgagtattactgtgcga
to:
>AC241995|IGHV7-40*03|Homo sapiens|P|V-REGION|10101..10396|296 nt|1| | | | |296+0=296| | |
ttttcaatagaaaagtcaaataatctaagtgtcaatcagtggatgattagataaaatatg
atatatgtaaatcatggaatactatgcagccagtatggtatgaattcagtgtgaccagcc
cctggacaagggcttgagtggatgggatggatcatcacctacactgggaacccaacatat
accaacggcttcacaggacggtttctattctccatggacacctctgtcagcatggcgtat
ctgcagatcagcagcctaaaggctgaggacacggccgtgtatgactgtatgagaga