Bugs in USEARCH v5
| Bug | First | Fixed |
| The ts userfield was incorrectly calculated. Workaround is to use ts=thi-tlo+1. | 4.0.38 | 5.1 |
| --sizein failed to parse size=n; field unless it was the last field in the label. | 5.0 | 5.1 |
| --nowordcountreject should imply --noisort. This bug could cause some incorrect rejections due to word counts below the expected threshold. | 5.0 | 5.1 |
| The following options are not supported when using --query and --udb: --blastout, --userout, --uc and --trunclabels. | 5.1 | 5.2 |
| Segfault using --consout with wildcard letters. | 5.0 | 5.2 |
| Incorrect consensus sequence sometimes produced by --consout (gaps not counted properly). | 5.0 | 5.2 |
| Incorrect consensus sequence sometimes produced by --consout. This is unrelated to the gaps bug (line above). Bug is subtle; it is hard to summarize when it would happen or its effects on the results. | 5.0 | 5.2.236 |