The bundled Select2 library used for searchable dropdown fields has been updated to version 3.5.1. This helps keep the web interface dependency current and may improve stability, compatibility, and translations for dropdown selection controls.

Update select2 library to version 3.5.1

Customers can now complete eCommerce billing information without entering a postal code. This reduces checkout friction for customers in locations where postal codes are not commonly used or necessary.

Fix: #985
Made postal code field of billing information optional in eCommerce module.

The Website Mail email designer now correctly responds when users click the Save and Continue button. This prevents interruptions while editing website emails and helps users keep their work moving without needing a workaround.

<b>Description:</b> in website_mail module fix the save and continue button issuse, using bind click event and call <code>editor_bar.save()</code> .

<b>Task:</b> https://www.odoo.com/web#id=9308&view_type=form&model=project.task&menu_id=3942&action=327
<b>Pad:</b> https://pad.odoo.com/p/r.n7EwGGKuLCsFZqUJ

Tips now wait for message discussions to finish loading before appearing, so users see guidance in the right place at the right time. The update also improves how tips adjust after page changes or window resizing, reducing misplaced or confusing help prompts.

- Override message_fetch from mail.Thread and fire an event when the messages are loaded. This is necessary for tips on the chatter
- Override render_value form web.form.FieldStatus : Call reposition() when FieldStatus is done rendering.
- Tip.reposition() method
- Handle window resize event

A small typo in the accounting bank statement code was corrected. This helps prevent potential errors in that area and improves reliability without changing how users work.

fix #1752 
Solved sefl typo in account/account_bank_statement.py to self.

This fixes an issue that prevented the system information function from being called through remote connections. It helps integrations and administrative tools retrieve basic system details reliably.

It's not possible to call "about" function via remote control (XML-RPC), because it contains string translation without import...

This update cleans and reorganizes parts of the event website track module to make it easier to maintain. It also moves event tag handling into the core event area, improving consistency across event-related features without changing the main user experience.

- Task: https://www.odoo.com/web#id=10029&view_type=form&model=project.task&action=333&active_id=248
- Pad: https://pad.odoo.com/p/r.R1Ek46InZGqvBzHN