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Timeline for Firefox


474

Firefox 53 »

Not yet released


474

Firefox 52 »

Release date: 07-03-2017


471

Firefox 51 »

Release date: 24-01-2017


466

Firefox 50 »

Release date: 15-11-2016


465

Firefox 49 »

Release date: 20-09-2016


461

Firefox 48 »

Release date: 02-08-2016


456

Firefox 47 »

Release date: 07-06-2016


456

Firefox 46 »

Release date: 26-04-2016


456

Firefox 45 »

Release date: 08-03-2016


455

Firefox 44 »

Release date: 26-01-2016


436

Firefox 43 »

Release date: 15-12-2015


434

Firefox 42 »

Release date: 03-11-2015


429

Firefox 41 »

Release date: 22-09-2015


429

Firefox 40 »

Release date: 11-08-2015


429

Firefox 39 »

Release date: 02-07-2015


420

Firefox 38 »

Release date: 12-05-2015


402

Firefox 37 »

Release date: 31-03-2015


402

Firefox 36 »

Release date: 24-02-2015


397

Firefox 35 »

Release date: 14-01-2015


397

Firefox 34 »

Release date: 01-12-2014


391

Firefox 33 »

Release date: 14-10-2014


391

Firefox 32 »

Release date: 02-09-2014


390

Firefox 31 »

Release date: 22-07-2014


378

Firefox 30 »

Release date: 10-06-2014


378

Firefox 29 »

Release date: 29-04-2014


364

Firefox 28 »

Release date: 18-03-2014


364

Firefox 27 »

Release date: 04-02-2014


362

Firefox 26 »

Release date: 10-12-2013


362

Firefox 25 »

Release date: 25-10-2013


351

Firefox 24 »

Release date: 17-09-2013


353

Firefox 23 »

Release date: 06-08-2013


345

Firefox 22 »

Release date: 25-06-2013


330

Firefox 21 »

Release date: 21-05-2013


329

Firefox 20 »

Release date: 02-04-2013


323

Firefox 19 »

Release date: 19-02-2013


323

Firefox 18 »

Release date: 18-01-2013


305

Firefox 17 »

Release date: 30-11-2012


291

Firefox 16 »

Release date: 09-10-2012


280

Firefox 15 »

Release date: 28-08-2012


278

Firefox 14 »

Release date: 26-06-2012


274

Firefox 13 »

Release date: 05-06-2012


274

Firefox 12 »

Release date: 24-04-2012


274

Firefox 11 »

Release date: 13-03-2012


262

Firefox 10 »

Release date: 31-01-2012


260

Firefox 9 »

Release date: 20-12-2011


257

Firefox 8 »

Release date: 08-11-2011


253

Firefox 7 »

Release date: 27-09-2011


251

Firefox 6 »

Release date: 16-08-2011


225

Firefox 5 »

Release date: 21-06-2011


215

Firefox 4 »

Release date: 22-03-2011


142

Firefox 3.6 »

Release date: 21-01-2010


These results are collected from many thousands of visitors using all kinds of devices. Excluded from this timeline are changes in video and audio codecs, because they are often dependant on operating system and device hardware.