Compatibility

Compatibility information between yubikey-personalization and YubiKey firmware versions.

Introduction

This document tries to document which versions of yubikey-personalization and YubiKey firmwares go together and any missing features or incompatibilities.

ykpersonalize version firmware version comments

⇐ 1.1

1.x, 2.0

1.2

2.1

OATH-HOTP programming unsupported

1.3

2.1

1.3.2

0.9.9

1.3.3

2.2

1.6.0

2.3

1.11.0

3.0

3.x series is the NEO

1.12.0

2.4 & 3.1

1.15.0

3.2

1.15.2

2.5

1.15.3

3.3

1.16.2

4.0

4.0 is the Plus

1.16.3

3.4

1.17.0

4.1

4.1 is Edge

1.17.2

4.2

4.2 is YubiKey 4

1.17.3

4.3

1.18.1

4.4 & 3.5

4.4 is YubiKey 4, 3.5 is the NEO

1.20.0

5.0

5.0 is YubiKey 5