Change Details

**Steps to replicate the issue** A code used since 2011 is broken on deWP since today, distribution of recent MW version. **What happens?**: When on source text editing something is marked and string overwriting is requested, ##undefied## is additionally inserted into wikitext after selection end. **What should have happened instead?**: Working as always. **Software version** Independent of browser family. * MW of today. **Other information** rMW2af1c3c901a6117fe062e1fd88c0146cffa1481d shows on j//query.textSelection// diff that the string ##$.extend( {## has been simply replaced by ##Object.assign( {## * T368029 demonstrated already that this is not a good idea. This is not the identical functionality, and must not be flipped just from one name to another. * I did not open all rMW2af1c3c901a6117fe062e1fd88c0146cffa1481d but I could imagine that the same bug has been injected in many many codes.

**Steps to replicate the issue** A code used since 2011 is broken on deWP since today, distribution of recent MW version. **What happens?**: When on source text editing something is marked and string overwriting is requested, ##undefined## is additionally inserted into wikitext after selection end. **What should have happened instead?**: Working as always. **Software version** Independent of browser family. * MW of today. **Other information** rMW2af1c3c901a6117fe062e1fd88c0146cffa1481d shows on j//query.textSelection// diff that the string ##$.extend( {## has been simply replaced by ##Object.assign( {## * T368029 demonstrated already that this is not a good idea. This is not the identical functionality, and must not be flipped just from one name to another. * I did not open all rMW2af1c3c901a6117fe062e1fd88c0146cffa1481d but I could imagine that the same bug has been injected in many many codes.

**Steps to replicate the issue** A code used since 2011 is broken on deWP since today, distribution of recent MW version. **What happens?**: When on source text editing something is marked and string overwriting is requested, ##undefined## is additionally inserted into wikitext after selection end. **What should have happened instead?**: Working as always. **Software version** Independent of browser family. * MW of today. **Other information** rMW2af1c3c901a6117fe062e1fd88c0146cffa1481d shows on j//query.textSelection// diff that the string ##$.extend( {## has been simply replaced by ##Object.assign( {## * T368029 demonstrated already that this is not a good idea. This is not the identical functionality, and must not be flipped just from one name to another. * I did not open all rMW2af1c3c901a6117fe062e1fd88c0146cffa1481d but I could imagine that the same bug has been injected in many many codes.