Release 0.58.0

Welcome to Zotonic 0.58.0, released on November 2, 2020.

Main changes are:

  • {% image %} tags now have a width and height attribute, use the nowh option to suppress generation of the width and height attributes
  • Fix for a problem where an ACL deny rule could restrict too much
  • Support to store JSON in PostgreSQL
  • Fix a problem with Twitter/Facebook/LinkedIn authentication and Safari 14
  • Fix a problem where very large dates could give unexpected results
  • Better TLS cipher suite selection for SSL connections
  • Allow custom formatters to show an error on empty input values

To fix sites that break on the width/height attributes on image tags there is an option added to the zotonic.config file: media_tag_nowh

If the media_tag_nowh option is set to true then all {% image %} tags have the nowh option added. Effectively suppressing the generation of width and height attributes.

Note that this option is not available on the 1.x version and later of Zotonic.

If you have css like:

img {
    max-width: 100%;

Then add one line:

img {
    max-width: 100%;
    height: auto;

Commits since 0.57.0

Arjan Scherpenisse (1):

  • mod_survey - option to hide survey form (#2432)

Maas-Maarten Zeeman (5):

  • Added encoding and decoding of json values (#2450)
  • Use sassc instead of ruby-sass (#2499)
  • Updated jquery to 3.5.1 (#2510)
  • Added an extra timeout before the page reload to give the browser more time to synchronize the cookie between tabs (#2525)
  • Bump mochiweb version (#2529)

Marc Worrell (16):

  • Upgrade mochiweb
  • Release 0.57.1 (#2436)
  • ACL: Fix a problem where a specific deny rule restricted other content to be found. Fixes #1964
  • Prevent a problem with calendar functions on large dates.
  • OEmbed vimeo endpoint moved to
  • Upgrade jsx to 3.0 and jsxrecord to 1.1. (#2484)
  • Set jsx to 3.0.0
  • Correct tag for jsx is v3.0.0
  • Correct NL translation
  • Fix a problem where changing language via javascript added an extra ‘?’ to the url. Issue #2508 (#2509)
  • Allow error on empty input with Custom validator. Issue #2514 (#2515)
  • Fix a problem with dropbox file scanning for relative site directories.
  • Add dropbox upload dispatch rule
  • Add 0.x option to suppress wh attrs on image tags. Fixes #2527
  • Make hreflang link elements abs urls.
  • Fix a problem with OAuth flow on Safari 14. Issue #2536 (#2537)

Ruben Lie King (1):

  • Log errors on resource update (#2523)

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