Server: Browser back button not working

[AInteriorB]

Steps to reproduce

1. navigate into directory
2. use browser's back button

Expected behaviour

going back

Actual behaviour

nothing happens

Server configuration

Operating system: Debian 10
Web server: Apache/2.4.38
Database: MariaDB 10.3.14
PHP version: PHP 7.3.4
Nextcloud version: 16.0.0
Updated from an older Nextcloud/ownCloud or fresh install: update
Where did you install Nextcloud from: web updater

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list

Enabled:

• accessibility: 1.2.0
• activity: 2.9.1
• audioplayer: 2.7.0
• cloud_federation_api: 0.2.0
• comments: 1.6.0
• dav: 1.9.2
• federatedfilesharing: 1.6.0
• files: 1.11.0
• files_pdfviewer: 1.5.0
• files_rightclick: 0.13.0
• files_sharing: 1.8.0
• files_texteditor: 2.8.0
• files_trashbin: 1.6.0
• files_versions: 1.9.0
• files_videoplayer: 1.5.0
• gallery: 18.3.0
• logreader: 2.1.0
• lookup_server_connector: 1.4.0
• nextcloud_announcements: 1.5.0
• notifications: 2.4.1
• oauth2: 1.4.2
• password_policy: 1.6.0
• privacy: 1.0.0
• provisioning_api: 1.6.0
• recommendations: 0.4.0
• serverinfo: 1.6.0
• sharebymail: 1.6.0
• support: 1.0.0
• survey_client: 1.4.0
• systemtags: 1.6.0
• theming: 1.7.0
• twofactor_backupcodes: 1.5.0
• updatenotification: 1.6.0
• viewer: 1.0.0
• workflowengine: 1.6.0
  Disabled:
• admin_audit
• encryption
• federation
• files_external
• firstrunwizard
• user_ldap
  

Are you using external storage, if yes which one: local

Are you using encryption: yes

Are you using an external user-backend, if yes which one: no

[acsfer]

Confirmed with Firefox@latest.

[skjnldsv]

@wiswedel please don't assign people, mention them and let them see if they have the time/knowledge to fix it.

[wiswedel]

@skjnldsv Roger that. Sorry.

[pawohl]

What I see in https://cloud.example.com/js/core/merged-template-prepend.js?v=XXXXXXX-2 is

[...]

$(document).ready(initCore);

/**
// fallback to hashchange when no history support
if (window.history.pushState) {
    window.onpopstate = _.bind(OC.Util.History._onPopState, OC.Util.History);
}
else {
    $(window).on('hashchange', _.bind(OC.Util.History._onPopState, OC.Util.History));
}

/**
 * Get a variable by name
 * @param {string} name
 * @return {*}
 */
OC.get=function(name) {

[...]

GitHub reference: stable16/core/js/js.js#L1318

Looks like someone (or a faulty tool) commented the change listener?

Introduced in https://github.com/nextcloud/server/commit/ab73c9c3282fa3550fcf349ea30e399de202f4ed#diff-c493b80ad1a9bcfa6b69637097972371L1314

[kcgen]

Also confirmed in Chromium 74.0.3729.169 (Official Build) Built on Ubuntu, running on Ubuntu 19.04 (64-bit)

[MorrisJobke]

Fixed in #15640