id,page,ref,title,content,breadcrumbs,references
changelog:id62,changelog,id62,0.43 (2020-05-28),"The main focus of this release is a major upgrade to the  register_output_renderer(datasette)  plugin hook, which allows plugins to provide new output formats for Datasette such as  datasette-atom  and  datasette-ics . 
             
                 
                     Redesign of  register_output_renderer(datasette)  to provide more context to the render callback and support an optional  ""can_render""  callback that controls if a suggested link to the output format is provided. ( #581 ,  #770 ) 
                 
                 
                     Visually distinguish float and integer columns - useful for figuring out why order-by-column might be returning unexpected results. ( #729 ) 
                 
                 
                     The  Request object , which is passed to several plugin hooks, is now documented. ( #706 ) 
                 
                 
                     New  metadata.json  option for setting a custom default page size for specific tables and views, see  Setting a custom page size . ( #751 ) 
                 
                 
                     Canned queries can now be configured with a default URL fragment hash, useful when working with plugins such as  datasette-vega , see  Additional canned query options . ( #706 ) 
                 
                 
                     Fixed a bug in  datasette publish  when running on operating systems where the  /tmp  directory lives in a different volume, using a backport of the Python 3.8  shutil.copytree()  function. ( #744 ) 
                 
                 
                     Every plugin hook is now covered by the unit tests, and a new unit test checks that each plugin hook has at least one corresponding test. ( #771 ,  #773 )","[""Changelog""]","[{""href"": ""https://github.com/simonw/datasette-atom"", ""label"": ""datasette-atom""}, {""href"": ""https://github.com/simonw/datasette-ics"", ""label"": ""datasette-ics""}, {""href"": ""https://github.com/simonw/datasette/issues/581"", ""label"": ""#581""}, {""href"": ""https://github.com/simonw/datasette/issues/770"", ""label"": ""#770""}, {""href"": ""https://github.com/simonw/datasette/issues/729"", ""label"": ""#729""}, {""href"": ""https://github.com/simonw/datasette/issues/706"", ""label"": ""#706""}, {""href"": ""https://github.com/simonw/datasette/issues/751"", ""label"": ""#751""}, {""href"": ""https://github.com/simonw/datasette-vega"", ""label"": ""datasette-vega""}, {""href"": ""https://github.com/simonw/datasette/issues/706"", ""label"": ""#706""}, {""href"": ""https://github.com/simonw/datasette/issues/744"", ""label"": ""#744""}, {""href"": ""https://github.com/simonw/datasette/issues/771"", ""label"": ""#771""}, {""href"": ""https://github.com/simonw/datasette/issues/773"", ""label"": ""#773""}]"