PRE (DO NOT DOWNLOAD UNLESS YOU ARE TESTING THIS RELEASE CANDIDATE) Dev Channel Beta 0.12.1dev-RC1

(placeholder) - Added support for extension action buttons for password managers. (#3867)(#2224)

• Added notification to let users know 24 hours before their wallet would be used to pay publishers. (#3828)
• Added about:extensions page. (#3926)
• Added clear Autofill option. (#3458)
• Added notification in Brave Payments to inform user of their contribution day. (#3801)
• Added Malay (Malaysia) language. (#3843)
• Fixed numerous things for Brave Payments. (#3711)(#3612)(#3785)(#3852)(#3716)(#3778)(#3830)(#3805)(#3824)(#3831)
• Fixed numerous things in the UI. (#3910)(#3916)(#3908)(#3856)(#3622)(#3673)(#3708)(#3739)(#3855)(#3629)(#3813)(#3612)(#3833)(#3677)(#3803)(#3484)(#3940)
• Fixed typing in the address bar. (#3928)(#3927)(#3857)(#3718)(#3712)(#3933)
• Fixed Autocomplete for Twitter login. (#3915)
• Fixed 1Password not filling the form and Brave saving the password. (#3897)
• Fixed enabling "Web notifications" on Twitter. (#3579)
• Fixed Brave crash when Dashlane password manager is selected. (#3909)
• Fixed crash when Linux users would check for updates. (#3907)
• Fixed Redhat desktop launcher. (#3905)
• Fixed setting Brave as the default browser under Linux. (#3776)
• Fixed privacy retention for new tabs opened via context menu actions. (#3662)(#3895)
• Fixed a LastPass create account issue. (#2936)
• Fixed renderer crash after signing into https://*.slack.com/home. (#3841)
• Fixed mixed content pages incorrectly showing as secure in private browsing mode. (#3793)(#3795)
• Fixed Mixed-content lock control to re-lock and reload the page. (#3770)(#3808)
• Fixed Mac menu being inaccessible while download is in progress. (#3823)
• Fixed CmdOrCtrl+T (New Tab) shortcut becoming disabled while navigation occurs. (#3782)
• Changed '...' to Unicode ellipsis. (#3675)