# WebOS version history

webOS is a Linux operating system for smart devices, and formerly a mobile operating system. It was initially developed by Palm, which was later acquired by Hewlett-Packard, and then LG Electronics. Palm launched webOS in January 2009. Various versions of webOS have been featured on several devices, including Pre, Pixi, and Veer phones and the HP TouchPad tablet. The latest version, 3.0.5, was released on 12 January 2012.

## Palm / HP devices

| webOS version | Release date | Notes |
| 1.0.1 | RTM | The 1.0.2 OTA update was already available on the first day of sale. Some Pre devices required this OTA update from 1.0.1 to 1.0.2 while others already had 1.0.2 pre-loaded. |
| 1.0.2 | 5 June 2009 | |
| 1.0.3 | 19 June 2009 | |
| 1.0.4 | 29 June 2009 | |
| 1.1.0 | 23 July 2009 | First release for Bell Canada |
| 1.1.2 | RTM for Palm Pre from O2 | 1.2 was already available in the United States when the O2 phones were released with 1.1.2. The 1.1.3 update was already available for European OTA update when the phones were available for sale. |
| 1.1.3 | 13 October 2009 | OTA update released only in Europe for GSM Palm Pre. Available on launch day. When released, 1.2 was already available in the United States. |
| 1.2.0 | 28 September 2009 | This was the first release said to support paid apps from the App Catalog. |
| 1.2.1 | 2 October 2009 for Sprint, 6 October 2009 for Bell Canada | |
| 1.2.9.1 | Pixi RTM | This was a Pixi-only release. Version 1.3.1 was already available for OTA update when the Pixi was released |
| 1.3.1 | 14 November 2009 for Sprint and Bell Canada 22 November 2009 for O2 Europe | For European carriers, this was the first OTA update following 1.1.3. |
| 1.3.2 | 2 December 2009 | This was a Pixi-only release |
| 1.3.3 | Not Released | Appears on the Palm Open Source Packages page as a release, but was never released on any known carrier. |
| 1.3.5 | 28 December 2009 | Only available on Sprint. |
| 1.3.5.1 | 4 January 2010 for Sprint, 5 January for Bell Canada, 25 January for Verizon | Only released in North America |
| 1.3.5.2 | 12 January 2010 | Only released in Europe |
| 1.3.8 | Pre-Release | This appears to be a pre-release version used when testing the AT&T Pre and Pixi. |
| 1.4.0 | 26 February 2010 for Sprint, O2, Movistar, 28 February 2010 for Verizon, 4 March 2010 for Bell Canada, 5 March 2010 for Telcel Mexico | This was the latest version for Telcel Pres for 2 years. |
| 1.4.1 | 31 March 2010 in Europe, 1 April 2010 in Canada | Released only in Europe and Canada |
| 1.4.1.1 | 31 March 2010 for Sprint, 29 April 2010 for Verizon | Released only in the United States |
| 1.4.1.2 | Pre-Release | Seen on a reviewer pre-production Vodafone Pixi Plus phone, presumed to be functionally equivalent to 1.4.1.1. |
| 1.4.1.3 | RTM for O2 Pixi Plus | Released only on the O2 Pixi Plus, supposed to be functionally equivalent to 1.4.1.1. |
| 1.4.2 | RTM for AT&T Pre Plus | Only on the AT&T Pre Plus, supposed to be functionally equivalent to 1.4.1.1. |
| 1.4.3 | RTM for AT&T Pixi Plus | Only on the AT&T Pixi Plus, supposed to be functionally equivalent to 1.4.1.1. |
| 1.4.5 | 14 July 2010 | The update was made available for different devices over several months starting 2010 July with the last device to receive this update, the Telcel Pre, receiving it in 2012 March. Some carriers never deployed this update. This is the final update for Pre and Pixi, and so far Pixi Plus phones, with some carriers releasing further updates for the Pre Plus and others not. |
| 1.4.5.1 | 9 May 2011 | Some bug fixes but has no new features. . Current for Pre, Pre Plus, Pixi, and Pixi Plus. |
| 2.0.0 | 22 October 2010 | This is an RTM release for the Pre 2. Many WebOS phones used by consumers currently still use 1.4.0 or 1.4.5 and may be left on those versions indefinitely. |
| 2.0.1 | 19 November 2010 | This is an RTM release, for Pre 2 phones or unlocked devices. |
| 2.1.0 | 8 March 2011 | Available on the Pre 2 through an OTA update and the Pre Plus for O2 Germany and Vodafone Europe through a USB-tethered "doctor" update. Current for North American Verizon Pre 2. |
| 2.1.1 | 2 July 2011 | This is an RTM release for the HP Veer O2 (EU). Current for EU Veer. |
| 2.1.2 | 15 May 2011 | This is an RTM release for the HP Veer AT&T (US). Current for North American Veer. |
| 2.2 | 17 August 2011 | This is an RTM release for the HP Pre 3 Archived 9 October 2011 at the Wayback Machine. |
| 2.2.3 | 28 September 2011 | This is an OTA release for the HP Pre 3 Archived 9 October 2011 at the Wayback Machine. |
| 2.2.4 | 9 December 2011 | This is an OTA release for some Palm Pre 2 models and the HP Pre 3. Additions for the Pre 2 include Skype, Data-At-Rest-Encryption, and non-Touchstone TouchPad sharing. Current for Unlocked Palm Pre 2, and all regions for Pre 3. |
| 3.0 | 1 July 2011 | Initial version of WebOS for HP TouchPad. |
| 3.0.2 | 1 August 2011 | Update for the HP TouchPad. |
| 3.0.4 | 18 October 2011 | Update for the HP TouchPad. Ability to pair non-WebOS phones with the HP TouchPad. New Camera app for photos and videos. Support for playing Ogg Vorbis and FLAC lossless music files. |
| 3.0.5 | 12 January 2012 | The last update for the TouchPad. It enhanced core apps like Email, Keyboard and Calendar, improves the video calling experience, and fixes additional bugs. Added support for HTTP Live Streaming. Added issue of "Not enough space to download", that is fixed by deleting file /var/luna/data/downloaddata.db. Current for TouchPad. |
| 4.0 | Canceled | Codenamed 'Eel'. Originally planned for HP's cancelled 'Sapphire' and 'Twain' tablets, webOS 4.0 included a major redesign of the user interface. Development briefly continued after HP ceased development of webOS hardware, but was later canceled. |