Starting with Salesforce Spring '19 release, Salesforce will enforce the 18-month retention policy and begin the process of removing field history data beyond 24 months. If you have data beyond 24 months that you would like to retain, you should plan on taking action well before the Salesforce Spring '19 release.
EU6: Saturday, January 19, 2019, 22:00 - 02:00 UTC
EU1 & EU4: Sunday, January 20, 2019, 03:00 - 07:00 UTC
See page 11.
Going forward: Salesforce will have two separate subregions within the EMEA region: UMEA (UK, Middle East & Africa) and EU (Rest of Europe & Russia) with UM and EU instances, respectfully. UM instances will be supported by two data centers in the London, UK metro area and EU instances will be supported by our France & Germany data centers.
January 19, 2019
EU6 --> UM3 or UM4
January 20, 2019
EU1 --> UM1 or UM2
EU4 --> EU25 or EU26
See page 12.
December 15: NA39, NA45, NA61, NA62
January 19: EU10, EU12, NA54, NA67
January 20: NA40, NA47, NA51, NA63
See page 19.
Support for Internet Explorer v9 and v10 will retire on April 5, 2019
Support for Internet Explorer (IE) 9 and 10 will be retired on April 5, 2018. You can continue to access Salesforce Classic using IE9 and IE10, however Salesforce will not provide support for any issues you may encounter using these browsers.