Odoo 20 accounting and reporting updates

After the keynote, Odoo Experience 2026 featured sessions on Reporting, Bank synchronization and Hidden gems. Below is what relates to accounting and reporting, seen through the Contaldia lens (Spain first), with all the screenshots from those notes. It is still not “Odoo 20 in production in Spain”: it is what we saw in Brussels.

Bank: more connectors, duplicates and pay from the bill

In 20 there are more connected institutions (the session slide says 200+, in 50+ countries). In Spain we will still check bank by bank: we do not treat CaixaBank, Sabadell or BBVA as covered until we try it on a live database.

If the statement arrives short, Fetch Missing Transactions recovers lines. If duplicates slipped in, Find duplicate transactions flags them and you can delete them by hand.

Payments: Send to Bank uploads the SEPA remittance from Odoo. And from the bill itself, Register Payment in one click. The demo is KBC (Belgium). We will look at the Spanish circuit on 1 October; we do not treat it as identical.

Documents, VAT, assets and sequences

From Documents you can do a lot of things: create the invoice and edit the actions (send, create a vendor bill, move the PDF to another place in Odoo). Useful for centralizing documentation in the ERP.

In the purchase invoice, lines can be grouped by VAT type.

From the invoice you open Journal Items, view the journal entry and split it (Split) into several lines. It's useful for creating one asset per unit, without redoing the invoice by hand. In the demo: one line of 10 units of furniture at 1.049 € (figures from the session).

The purchase dashboard warns about irregular sequences. On vendor bills a gap is not illegal, but to resequence you need developer mode and Resequence (it already existed in earlier versions).

Bulk change of period or date: select entries and Actions → Change Period. Very useful for moving wrongly posted invoices in quarters or periods that are already closed.

Reconcile every bank on one screen

Accounting → Reconcile groups together the pending statements. Auto-reconcile exists; it has to be configured properly or it will match things it shouldn't. It's useful and has gone through several versions. Personally I prefer going bank by bank and staying up to date, so you don't build up a backlog or run mass reconciliations that slip through with errors.

Taxes of another country, compared P&L and mismatches

When you create a tax from another country, Odoo offers to install that country's entire package. This way we avoid creating taxes by hand and mapping errors in reports.

The P&L compares by amount and by percentage (Horizontal Analysis). The gear icon on the right opens the report configuration without leaving the screen. From there you can also filter by analytics.

If the Balance Sheet does not balance (assets ≠ liabilities), there is almost always a chart account not mapped in the report. Accounts Coverage Report marks them in red. Contaldia advice: fix the account number so it fits the PGC; do not twist the report.

Composite reports: Accounting → Configuration → Accounting Reports → New, check Composite Report, add the ones you want (Add Sections) and put them in the menu. Several reports with one click.

Spreadsheets, % search and mass edit

From a report you can insert a pivot table into an Odoo spreadsheet. The dashboard remains a sheet inside the ERP, not an orphaned Excel file. It already existed; it's still very useful.

And also from any list of invoices, accounts or whatever you like: Actions → Insert in spreadsheet.

Two tricks that didn't come up at OX 2026 and that I use every day. The % in the search bar skips whatever is between two words: useful for contacts or products with long names.

And the bulk change: if you select several entries (or invoices) and change the account in the list, it applies to all of them. Accounts, analytics and more, without opening them one by one. A Contaldia accounting trick.

Reports: more columns, faster

The Balance Sheet in 20 has more columns than fitted in 19: before/after, debit and credit, percentage of a column, and a Load more to add others. Less parallel Excel for the same cut.

Speed and memory: Odoo drops the dictionaries of 19 and moves to data objects. In the demo, a user report went from 2.5 s to 0.2 s. It affects audit, balances, ledgers and journals. Session figures, not a Contaldia database.

La memoria del mismo informe: 4,5 GB en 19 frente a 1,6 GB en 20 (diapositiva de la sesión).

There are snapshots of a report: computed once and reopened without hitting the whole journal again. And line grouping (by journal, by tag, by whatever you ask) goes further than in 19.

How we will look at this

Contaldia has been running Odoo since 2009. On 1 October, at 16:00, the online updates course: which of this touches closing, the 303 and the bank in Spain, and what is worth waiting for before upgrading a production database.

On 29 October, from 12:00 to 14:00, the full Spanish accounting course on Odoo 20.

Sources: Reporting, Bank synchronization and Hidden gems sessions at Odoo Experience 2026 (Brussels); Contaldia notes. As of 24 Sep 2026 Odoo had not yet published the formal 20 release notes on odoo.com. What only appears in partner blogs we leave as rumour. The figure “49 AI features” does not appear in these sessions: we do not use it.