Because of these structural overhauls, utilizing un-updated software from that era will trigger math errors and processing rejections. Platforms like TurboTax Online and TaxAct Software lock their outdated infrastructure until the latest security patches and rate tables are locally installed.
: The IRS fundamentally restructured the standard Form 1040, eliminating older legacy forms like Form 1040A and Form 1040EZ.
: If an unpatched app crashes your file, look for backup .tax2018 data profiles to restore your data.
You can download the 2018 Form 1040-X directly from the IRS website and file by mail.
Focuses directly on mobile software applications, cloud interfaces, or desktop tools dedicated to automating tax preparation.
Access to community experts on the TurboTax Support Community Manual PDF printing via the Official IRS Portal Zero cost for basic filers Troubleshooting Common Application Errors
: Personal exemptions were eliminated, meaning software algorithms had to change their underlying logic entirely.
Updated logic for the doubled standard deduction and eliminated personal exemptions. Speed Benchmarks: Refined data entry for faster filing.
| CentOS 7 3.10.0-1160 | CentOS 8 4.18.0-348 | Debian 9 4.9.0-16 | Debian 10 4.19.0-17 | Debian 11 5.10.0-8 | Debian 12 6.1.0-18 | Fedora 35 5.16.18-200 | OpenSUSE 15.3 5.3.18-59.19 | Ubuntu 16 4.15.0-142 | Ubuntu 18 4.15.0-159 | Ubuntu 20 5.13.0-28 | Ubuntu 22 5.15.0-30 | |
| APCI-1016 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1032 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1500 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1516 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1564 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1648 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1696 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1710 / APCIe-1711 | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-1712 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-2016 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-2032 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-2200 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-3001 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-3120 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-3200 | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | IN PROGRESS | PASS | IN PROGRESS |
| APCI-3504 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-3600 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCI-3701 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-040 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-1516 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-1532 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-1564 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-1711 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-2032 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| APCIe-2200 | PASS | PASS | PASS | PASS | PASS | IN PROGRESS | PASS | PASS | PASS | PASS | PASS | PASS |
| xPCI-3xxx | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS | PASS |